Given the function, find the indicated value.f(x) = x2 + 5x - 7; f(0)
A. -7
B. 49
C. 7
D. 0
Answer: A
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Find the focus and the directrix of the parabola.y = 2x2 - 8x + 7
A. Focus: 
; directrix: y = - 
B. Focus: 
; directrix: y = - 
C. Focus: (2, 7); directrix: x = 9
D. Focus: (2, 1); directrix: x = -3
Use the graph of a known basic function and vertical shifting to sketch the function.h(x) = |x| + 3
A. 
B. 
C. 
D. 
Find the vertex, the focus, and the directrix of the parabola.(x + 2)2 = -32(y - 5)
A. V: (-2,6); F: (-2, -3); D: y = 13 B. V: (-2,5); F: (-10,-3); D: y = 13 C. V: (5,-2); F: (-2, -3); D: y = 13 D. V: (-2,5); F: (-2, -3); D: y = 13
Lowell Corporation wishes to establish a sinking fund to retire a $200,000 debt that is due in 12 years. If the investment will earn interest at the rate of 9%/year compounded quarterly, find the amount of the quarterly deposit that must be made in order to accumulate the required sum. Round your answer to the nearest cent.
R = $__________