Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even.C(x) = 1.2x + 490R(x) = 1.9x
A. 720 units
B. 189 units
C. 700 units
D. 710 units
Answer: C
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Perform the indicated operation. Write the result in scientific notation.
A. 3.0 × 10-13 B. 3.0 × 10-1 C. 6 × 10-1 D. 6 × 10-13
Provide an appropriate response.The region shown here is to be revolved about the x-axis to generate a solid. Which of the methods (disk, washer, shell) could you use to find the volume of the solid? How many integrals would be required in each case? x = - y2 
What will be an ideal response?
Solve.The polynomial function h(x) = -16t2 + 75 describes the height of a falling object after falling t seconds from an initial height of 75 feet. What is the height after 0.5 seconds?
A. 79.0 ft B. 73.1 ft C. 71.0 ft D. 67.0 ft
Use a calculator to find the function value to four decimal places.cos (690°)
A. 1.0000 B. 0.8660 C. -0.5000 D. 0.5000