Fill in the blanks to complete the statement.The graph of
can be obtained from the graph of 
by shifting horizontally ? units to the ? and reflecting across the ? -axis.
A. -2; left; x
B. 2; right; x
C. 2; left; y
D. 2; left; x
Answer: D
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Provide an appropriate response.To obtain a graph of y = 7x2 + 3 from the graph of y = 7x2, which of the following statements is true?
A. shift 3 units to the left B. shift 3 units down C. shift 3 units up D. shift 3 units to the right E. none of the above
Solve the problem.When 4 times a number is subtracted from 7 times the number, the result is 21. What is the number?
A. 3 B. 0.6 C. 7 D. -7
Solve the linear inequality. Express the solution in set-builder notation.-7x - 3 > -8x + 6
A. {x|x < 9} B. {x|x > 3} C. {x|x > 9} D. {x|x < 3}
Solve the problem.How long will it take a sample of radioactive substance to decay to half of its original amount, if it decays according to the function A(t) = 400e-0.247t, where t is the time in years? Round to the nearest hundredth of a year.
A. 27.06 yr B. 24.26 yr C. 98.80 yr D. 2.81 yr