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Mathematics 30-1

Interactive diploma-style practice with fresh question sets, instant answer checking, and progress tracking.

functions

Mathematics 30-1

Functions, trigonometry, and combinatorics practice

Progress0/40
1
Transformations
The point (6, 5) lies on y = f(x). Which point lies on y = −2f(2(x − (1))) + (-3)?
2
Relations and Functions
What is the domain of f(x) = √(x − (3))?
3
Relations and Functions
For f(x) = 3x − 7, determine f⁻¹(11).
4
Relations and Functions
Let f(x) = 3x − 2 and g(x) = x² + 1. What is (f ∘ g)(2)?
5
Polynomial Functions
If P(2) = 0, which expression must be a factor of P(x)?
6
Polynomial Functions
Source · Polynomial graph observations
At x = −1 the curve is tangent to the axis. At x = 3 it passes from one side of the axis to the other.

Use this source to answer the question.

A polynomial graph touches the x-axis at x = −1 and turns around, but crosses the x-axis at x = 3. Which factorization is consistent with this behaviour?
7
Polynomial Functions
What is the remainder when P(x) = x³ − 2x + 5 is divided by x − 2?
8
Rational Functions
For f(x) = (x² − 9)/(x² − x − 6), the graph has
9
Exponential Functions
In P(t) = 850(1.04)ᵗ, the annual percentage growth rate is
10
Logarithms
Given log₃x = 2 and log₃y = −1, determine log₃(x³√y/3⁴).
11
Exponential Functions
Solve 2^(x + 1) = 2^5.
12
Trigonometry
If θ is in quadrant II and sin θ = 513, then cos θ is
13
Trigonometry
The reference angle for 140° is
14
Trigonometry
Which identity is valid wherever both sides are defined?
15
Sinusoidal Functions
A periodic quantity has maximum 14, minimum 2, period 8, and a minimum at x = 1. Which equation models the quantity?
16
Trigonometry
A circle has radius 6 cm and central angle 1.2 rad. The intercepted arc length is
17
Permutations and Combinations
How many distinguishable arrangements are possible using all letters of LEVEL?
18
Permutations and Combinations
A 4-person committee is selected from 9 people. Two of the people are team captains. How many committees contain at least one captain?
19
Trigonometry
Determine sin 90° exactly.
20
Binomial Theorem
The coefficient of x³ in (1 + x)⁷ is
21
Probability
A bag contains 5 blue and 3 gold tiles. Two tiles are selected without replacement. The probability that both are gold is
22
Relations and Functions
To make f(x) = (x − 2)² one-to-one while retaining the right half of its graph, its domain should be restricted to
23
Transformations
Relative to y = |x|, the graph y = −3|x + 2| + 5 is
24
Rational Functions
Source · Sign-chart critical values
The expression has a zero at x = 1 and is undefined at x = −2. Test the three resulting intervals.

Use this source to answer the question.

For (x − 1)/(x + 2) > 0, the solution set is
25
Polynomial Functions
A polynomial has odd degree and a negative leading coefficient. Its graph must
26
Logarithms
The inverse of y = 5ˣ is
27
Sinusoidal Functions
A quantity has maximum 18, minimum 6, and period 10. One model with a maximum at x = 0 is
28
Permutations and Combinations
Six different books are arranged on a shelf. If two particular books must remain together, the number of arrangements is
29
Logarithms
Solve log2(2x + 1) = 5.
30
Polynomial Functions
For P(x) = 2x³ − 3x² + 4x − 5, calculate the remainder when P(x) is divided by x − 2.
31
Trigonometry
How many solutions does sin θ = 0.500 have on 0° ≤ θ < 360°?
32
Binomial Theorem
Determine the coefficient of x^3 in (1 + x)^7.
33
Exponential Functions
Solve 2^(x − 1) = 64.
34
Trigonometry
Calculate the arc length, in centimetres, for radius 8 cm and central angle 1.25 rad.
35
Trigonometry
How many solutions does sin x = 12 have on 0 ≤ x < 4π?
36
Exponential Functions
$1 500 grows at 4.0% compounded annually for 6 years. Calculate the value to the nearest cent.
37
Transformations
The point (3, 7) lies on y = f(x). Determine the x-coordinate of the corresponding point on y = f(2(x − (1))).
38
Rational Functions
Determine the y-intercept of f(x) = (3x + 2)/(x + 5).
39
Probability
Two cards are drawn without replacement from five red and three black cards. Calculate the probability that both are red, as a decimal to three places.
40
Sinusoidal Functions
Calculate the period, in degrees, of y = sin(2θ).
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