Write an equation for a function whose graph fits the given description.The graph of f(x) = x2 is vertically stretched by a factor of 5, and the resulting graph is reflected across the x-axis.
A. f(x) = -5x2
B. f(x) = (x - 5)2
C. f(x) = 5x2
D. f(x) = 5(x - 5)x2
Answer: A
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Find the prime factorization of the number. If the number is prime, state this.828
A. 2 ? 2 ? 2 ? 3 ? 3 ? 23 B. 3 ? 3 ? 3 ? 3 ? 23 C. 2 ? 2 ? 2 ? 2 ? 23 D. 2 ? 2 ? 3 ? 3 ? 23
Graph the function. State the amplitude, period, and phase shift.y = 
sin x + 
cos x 
x-scale = 
y-scale = 1
A. Amplitude 3, period 2?,
phase shift 
x-scale =  | y-scale = 1 |
B. Amplitude 1.5, period 2?,
phase shift -
x-scale =  | y-scale = 1 |
C. Amplitude
, period ?, phase shift -
x-scale =  | y-scale = 1 |
D. Amplitude 3, period ?,
phase shift
x-scale =  | y-scale = 1 |
Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.231.85 + 4 + 19.782
round each to the nearest one
A. Estimate: 254; Actual: 256.632 B. Estimate: 254; Actual: 255.632 C. Estimate: 256; Actual: 255.632 D. Estimate: 256; Actual: 256.632
Find the product.(w - 4)2
A. w2 + 16 B. 16w2 - 8w + 16 C. w + 16 D. w2 - 8w + 16