AP Precalculusmediummcq1 pt
The amplitude of f(x) = −2cos(3x) is
A.2
B.−2
C.3
D.1
Explanation
Core Concept
Amplitude is the absolute value of the coefficient.
Correct Answer
A2
More Unit 3: Trigonometric and Polar Functions practice questions
- easyThe polar point with θ = π and r = 5 is the rectangular point
- mediumThe amplitude and period of f(x) = 4sin(x/2) are
- easycos(π/4) equals
- easysin(π/4) equals
- easyThe rectangular point (1, 0) in polar form is
Practice more AP Precalculus questions with full explanations
Practice Unit 3: Trigonometric and Polar Functions Questions →