?Find the volume of the solid generated by revolving the region bounded by the graphs of the equations ,  and

style="vertical-align:middle;" /> about the line .

?



A. ?
B. ?
C. ?
D. ?

---

Answer: A

Mathematics

Express the vector as a product of its length and direction.-7i + 7j + 7k

A. 7( -i + j + k)
B. 7
C. 7
D.

Solve the problem.Find the gasoline price index for a year in which the cost of gasoline was $1.87 per gallon. Use the 1965 price as the reference value. In 1965, the cost of gasoline was 31.2 cents per gallon.

A. 599.4 B. 16.7 C. 155.8 D. 6

Determine whether or not the ordered pair is a solution of the linear equation.x - y = 49; (7, 2)

A. Yes B. No

Provide an appropriate response.The graph of y = (x4)x has two horizontal tangent lines. Find equations for both of them.

A. y = e4/e and y = e-4/e B. y = e4e and y = e-4e C. y = e2/e and y = e-2/e  D. y = e1/e and y = e-1/e