Find the zeros of the function in the interval [-2?, 2?].f(x) = 3 cos x

A. 0, ±?, ±2?
B. 0, ± , ±
C. ± , ±?, ± , ±2?
D. ± , ±

Answer: D

Mathematics

You might also like to view...

Solve and graph the solutions.|x + 14| > 17

A.

B.

C.

D.
 

View
Mathematics

Round the whole number to the given place value.4278, hundreds

A. 4200 B. 4290 C. 4400 D. 4300

View
Mathematics

Evaluate the expression for the given replacement value.3x, for x = 2

A. 8 B. 2 C. 6 D. 23

View
Mathematics

Express the radical in simplified form. Assume that all variables represent positive real numbers.

A. 2y7
B. y7 - 2
C.
D.

View
Mathematics