Find the period and amplitude.
?
y = 7 sin 40x
?
A. Period: ?; Amplitude: -7
B. Period: ?; Amplitude: 
C. Period: 
; Amplitude: 
D. Period: 2?; Amplitude: 1
E. Period:
; Amplitude: 7Answer: E
Mathematics
You might also like to view...
Find the domain of the rational function.f(x) = 
A. {x|x ? 0, x ? 25} B. {x|x ? -5, x ? 5} C. all real numbers D. {x|x ? -5, x ? 5, x ? -4}
Mathematics
Identify the equation as a parabola, circle, ellipse, or hyperbola.5x2 = 9 - 5y2
A. Circle B. Parabola C. Ellipse D. Hyperbola
Mathematics
Use trigonometric identities to solve each equation in the interval [0, 2?]3 = 2 cos2 x + 3 sin x
A. 
B. 
C. 
D. 
Mathematics
Subtract.- 
A. 17.000 B. 15.907 C. 15.903 D. 15.897
Mathematics