Without graphing the function, determine its amplitude or period as requested.y = cos 5xFind the period.

A. 1
B. 5
C.
D. 2?

Answer: C

Mathematics

Find the gross earnings. Use the overtime premium method. Overtime is paid at time-and-a-half for all hours over 40.

A. $489.63 B. $452.02 C. $678.03 D. $491.63

View

Mathematics

Find the root. Assume that all variables represent positive numbers.

A. y³²
B. y⁹
C. y¹⁸
D.

View

Mathematics

Graph the ellipse and locate the foci.4x2 + 16y2 = 64

A. foci at (, 0) and (-, 0)

B. foci at (5, 0) and (-5, 0)

C. foci at (0, ) and (0, -)

D. foci at (4, 0) and (-4, 0)

View

Mathematics

The graph of a function f is given. Use the graph to answer the question.Is f(20) positive or negative?

A. positive B. negative

View

Mathematics