Evaluate the polynomial or polynomial function for the given value of the variable.f(x) = 7x3 + 2x2 - 3x + 2, f(-2)
A. -49
B. 60
C. -40
D. -68
Answer: C
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Determine the slope and the y-intercept and write the equation of the line in slope-intercept form.
A. y = x - 6 B. y = - x + 6 C. y = x + 6 D. y = - x - 6
Simplify the expression using the imaginary unit i.
A. -7i
B. 7i
C. i
D. ±7
Solve the problem.How many 5-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, if repetitions of digits are allowed?
A. 3125 five-digit numbers B. 89,999 five-digit numbers C. 90,000 five-digit numbers D. 100,000 five-digit numbers
Solve the problem.Suppose that an open box is to be made from a square sheet of cardboard by cutting out 
squares from each corner as shown and then folding along the dotted lines. If the box is to have a volume of 32 cubic inches, find the original dimensions of the sheet of cardboard. 
A. 8 in. by 8 in.
B. 4 in. by 4 in.
C. 2 in. by 2
in.
D. 4
in. by 4
in.