Solve the problem.The surface area of a cardboard box is 4014 in.2. If the length is 30 in. and the width is 21 in., then what is the height?

A. 29 in.
B. 26 in.
C. 27 in.
D. 28 in.


Answer: C

Mathematics

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Find the function.Find the function that is finally graphed after the following transformations are applied to the graph of  The graph is shifted up 8 units, reflected about the x-axis, and finally shifted left 9 units.

A. y = - - 8
B. y = - - 8
C. y =  + 8
D. y = - + 8

Mathematics

R1 = R2, IT = 100 mA, I1 = 30 mA. How much current flows through R2?


What will be an ideal response?

Mathematics

Answer each question appropriately.Find a curve y = f(x) with the following properties: i.   = 5x ii. The graph passes through the point (0,1) and has a horizontal tangent at that point.

A. y = x3 + x + 1
B. y = 5x + 1
C. y = x3 + 1
D. y = x2 + 1

Mathematics

Evaluate the piecewise-defined function at the indicated value.f(x) = {  ; f(0)

A. 4 B. -2 C. 6 D. -4

Mathematics