Solve the problem.Use the graph of f(t) = cos t given below to evaluate f(?) graphically.
A. -1
B. 0
C. 1
D. 0.5
Answer: A
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Solve. If necessary, round percents to the nearest tenth and all other answers to the nearest whole.30% of the doctors in a hospital are male. If there are 40 doctors altogether, how many doctors are male?
A. 28 doctors B. 133 doctors C. 12 doctors D. 75 doctors
Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(8x3/2)(7x2/3)
A. 56x13/5 B. 56x5/6 C. 56x13/6 D. 56x3/2
Find all real zeros of the polynomial 
and determine the multiplicity of each.
A. x = 49, multiplicity 2; x = 64, multiplicity 2 B. x = 7, multiplicity 2; x = 8, multiplicity 2 C. x = 49, multiplicity 2; x = 8, multiplicity 1 D. x = -7, multiplicity 2; x = -8, multiplicity 2 E. x = 7, multiplicity 1; x = -7, multiplicity 1; x = 8, multiplicity 1; x = -8, multiplicity 1
Graph the function.f(x) = -x2 - 2x - 7
A. 
B. 
C. 
D. 