Solve the problem.For an electrical circuit, the voltage E is modeled by E = 2.7cos 32? t, where t is the time in seconds. How many cycles are completed in one second?
A. 32? cycles
B. 2.7 cycles
C. 32 cycles
D. 16 cycles
Answer: D
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Provide an appropriate response.Explain why the following five statements ask for the same information.(a) Find the roots of f(x) = 4x3 - 2x - 5.(b) Find the x-coordinate of the points where the curve y = 4x3 crosses the line 
(c) Find all the values of x for which 4x3 - 2x = 5.(d) Find the x-coordinates of the points where the cubic curve y = 4x3 - 2x crosses the line 
(e) Solve the equation 4x3 - 2x - 5 = 0.
What will be an ideal response?
Simplify the expression.
÷ 
A. 
B. 
C. 
D. 
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.estimate exact
A. Estimate: 12,000; exact: 12,275.44 B. Estimate: 12,000; exact: 12,375.44 C. Estimate: 13,000; exact: 13,275.44 D. Estimate: 13,000; exact: 13,375.44
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, 
< ? < ?Find cos 
.
A. 
B. - 
C. 
D. - 