ENDCAL30 Midterm Examination

• 3h+6a+5

• 6h+3a+5

• 3h-6a+5

• 6h-3a+5

• All reals except x=0.

• All reals except x=-2

• All reals except x=0 and x=-2

• Cannot be determined

What method can be used if a curve is a graph of a function in an xy-plane?

• vertical line test

• horizontal line test

• symmetry test

• cannot be determined

• odd

• even

• either odd or even

• neither odd nor even

• [-15,+inf)

• [15,+inf)

• (-15,+inf)

• (15,+inf)

An open box is to be made from a metal sheet with dimensions of 15 inches by 25 inches by cutting equal corner squares of side x. Express the volume of the box as a function of x.

• 375x-80x^2+4x^3

• 375x+80x^2-4x^3

• 375x+80x^2+4x^3

• 375x-80x^2-4x^3

• 1

• 1/2

• 1/4

• does not exist

• 0

• 1

• 2

• does not exist