Find a polynomial with the given zeros. 7, 7, 3
a. 17x 2 + 91x - 147
b. x 3 + 17x2 - 91x + 147
c. 91x - 17 x 2 + 91x -147
d. x 3 - 17x 2 + 91x - 147
e. none of these
d. x 3 - 17x 2 + 91x - 147
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Without graphing the function, state the shift(s) that are applied to the graph of 
to graph the given function. If the graph of 
must be rotated about the x-axis, state this.f(x) = (x + 8)2
A. left 8 units B. up 8 units C. down 8 units D. right 8 units
Evaluate.Given log b 2 = 0.5298 and log b 7 = 1.4873, evaluate log b 2b .
A. 1.5298 B. 2.0171 C. 0.5298 D. 1.0757 + b
Solve the problem.An economist predicts that the buying power B(x) of a dollar x years from now will decrease according to the formula 
How much will today's dollar be worth in 
Round the answer to the nearest cent.
A. $0.58 B. $0.78 C. $1.22 D. $0.08
Solve the problem.A nuclear scientist has a sample of 
of a radioactive material which has a half-life in hours. She monitors the amount of radioactive material over a period of a day and obtains the following data. Use a graphing utility to fit an exponential function to the data. Predict the amount of material remaining at 40 hours.
.
A. y = 86e-0.071x, 5.0 mg B. y = 92e-0.0686x, 5.9 mg C. y = 100e-0.077x, 4.6 mg D. y = 100e-0.077x, 6.7 mg