For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
2(x2 + 5)3
A. 
, multiplicity 2, touches x-axis; 5, multiplicity 3, crosses x-axis
B. - 
, multiplicity 2, touches x-axis
C. - 
, multiplicity 2, crosses x-axis
D. - 
, multiplicity 2, touches x-axis; -5, multiplicity 3, crosses x-axis
Answer: B
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Represent the fraction as a decimal by using the long-division algorithm.
A. 0.1
B. 0.
C. 0.
D. 0.2
Use a proportion to solve the problem.Dr. Wong can see 8 patients in 2 hours. At this rate, how long would it take her to see 40 patients?
A. 16 hr B. 160 hr C. 9 hr D. 10 hr
Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.
-2
A. - 
B. - 
C. 
D. 
Find the exact value of the trigonometric expression without the use of a calculator.If sin ? = 
, 
< ? < ? and cos ? = 
, 0 < ? < 
, find the exact value of sin (? - ?).
A. 
B. 
C. - 
D. 