Write the quadratic function in the standard form y = a(x - h)2 + k.y = x2 - 18x
A. y = (x - 18)2 - 324
B. y = (x + 18)2 - 18
C. y = (x + 9)2 - 9
D. y = (x - 9)2 - 81
Answer: D
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The size N, in thousands, of a certain animal population after t years is given in the table below. Use exponential regression to find the yearly percentage growth rate of the population. Round your answer to two decimal places. t 0 1 2 3 4 N 4.95 5.73 6.34 6.80 7.25?
A. 12.02% B. 10.52% C. 10.00% D. 9.82%
Write the following in interval notation.{x| -5 ? x ? 8}
A. (-5, 8) B. (-5, 8] C. [-5, 8) D. [-5, 8]
Use the graph of f to determine the intervals where f is increasing and where f is decreasing.
A. incr: x ? 0; decr: x ? 0 B. incr: all x C. decr: all x D. incr: x ? 0; decr: x ? 0
Solve the absolute value equation.|8x + 3| + 9 = 14
A. 
B. 
C. ?
D. 