Subtract.4 - 3
A. 3
B. 0
C. 1
D. 2
Answer: C
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Use a calculator to find the function value. Give your answer rounded to seven decimal places, if necessary.cos 47° cos 133° - sin 47° sin 133°
A. 1 B. 2 C. -1 D. 0
Solve the problem.A weight attached to a spring is pulled down 4 inches below the equilibrium position. Assuming that the frequency of the system is 
cycles per second, determine a trigonometric model that gives the position of the weight at time t seconds.
A. s(t) = 4? cos 5t
B. s(t) = 4 cos 10t
C. s(t) = -4 cos 
t
D. s(t) = -4 cos 10t
Use Euler circles to check the validity of the argument. ? No politicians are honest. Some dishonest people are found out. Therefore, some politicians are found out. ? The argument is __________. ?
A. not valid B. valid
Graph the rational function and find the intercepts.h(x) = 
A. x-intercept: ±3 and 1. y-intercept: 1.
B. No x-intercept. No y-intercept.
C. No x-intercept. y-intercept: 0.
D. No x-intercept. y-intercept: 1.