Find the ordered pair for the y-intercept of the graph of the quadratic equation.y = 2x2 - 7x + 30
A. 
B. 
C. (0, -7)
D. (0, 30)
Answer: D
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Solve the problem.A golden rectangle has a shorter side of length 100 ft. Which of the following numbers most closely represents the length of the longer side of the rectangle?
A. 200 ft B. 210 ft C. 161.8 ft D. 323.6 ft E. none of these
Use the table of z-scores and percentiles to find the percentage of data items in a normal distribution that lie a. above and b. below the given score.z = -0.9
A. 18.41%, 18.41% B. 81.59%, 18.41% C. 0%, 100% D. 18.41%, 81.59%
Find and simplify the difference quotient 
for the given function.f(x) = 8x - 3
A. 0
B. 8 + 
C. 8
D. 8 + 
The graph of a function f is given. Use the graph to answer the question.What is the domain of f? Write it in interval notation.
A. (-?, ?) B. [-25, 25] C. [0, ?) D. [-20, 27.5]