Solve the problem.The volume of a rectangular box with square base and a height of 5 feet is V(x) = 5x2, where x is the length of a side of the base. Find the instantaneous rate of change of volume with respect to x when x = 3 feet.

A. 6 ft3/ft
B. 15 ft3/ft
C. 30 ft3/ft
D. 45 ft3/ft


Answer: C

Mathematics

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Solve the equation.125x = 3,125

A.
B.
C.
D.

Mathematics

Use the table to answer the question.The table gives the average high monthly temperature (in °F) for one year in Middleville.In what months was the average high temperature ? 42°F?

A. Jan, Feb Dec, Nov B. Jan, Feb Dec, Nov, Oct, Mar C. Mar, Apr, Sep, May, Jun, Jul, Aug D. Jan, Feb Dec, Nov, Oct

Mathematics

Evaluate the expression for the given replacement values. Write the answer in simplest form.x - y for x = , y = 

A.
B. - 
C. - 
D.

Mathematics

Find two sets of parametric equations for the given rectangular equation.y = 8x + 4

A. x = t, y = 8t + 4; x = 8t, y = t + 4
B. x = t, y = 8t + 4; x = , y = t + 4
C. x = 8t, y = t + 4; x = , y = t + 4
D. x = t, y = 8t + 4; x = t, y =  + 4

Mathematics