Find the root. Assume that variables represent any real number.
A. 
B. (z - 7)2
C. 
- 7
D. 
- 7
Answer: A
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Use the intermediate value theorem for polynomials to show that the polynomial function has a real zero between the numbers given.f(x) = -8x4 - 5x3 - 9x - 5; -1 and 0
A. f(-1) = -1 and f(0) = 5 B. f(-1) = 1 and f(0) = -5 C. f(-1) = 2 and f(0) = -4 D. f(-1) = -1 and f(0) = -5
Find all angles in [0°, 360°) that satisfy the equation.cos ? = - 
A. {210°, 330°} B. {150°, 210°} C. {60°, 300°} D. {60°, 120°}
Evaluate.
, when m = 12 and n = 3
A. 3 B. 24 C. 12 D. 4
Translate the situation into mathematical language. You need not actually solve the problem.A rectangle's width is one-half its length and its perimeter is 33 m. Find the dimensions of the rectangle.
A. Let x represent the rectangle's length; 33 = x 
B. Let x represent the rectangle's length; 33 = 2x + 2
C. Let x represent the rectangle's length; 33 = 2x + 2
D. Let x represent the rectangle's length; 33 = x + 
x