Use regression to find a quadratic function that best fits the data. Give results to the nearest hundredth.
A. f(x) = -0.7803 + 98.39x - 419.89
B. f(x) = -4.66x2 - 45.67x + 345.67
C. f(x) = -0.54x2 + 60.05x + 912.48
D. f(x) = 0.54x2 + 60.05x + 912.48
Answer: C
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Find the inverse of the function and state its domain and range .{(-3, -9), (-5, -8), (-7, -7), (-9, -6)}
A. {(-9, -3), (-8, -5), (-7, -7), (-6, -9)}; D = {-9, -8, -7, -6 }; R = {-3, -5, -7, -9}
B. {(-8, -9), (-6, -7), (-3, -7), (-8, -7)}; D = {-8, -6, -3}; R = {-9, -7, -7}
C. 
; D = { -3, -5, -7, -9}, R = 
D. {(-8, -9), (-9, -7), (-3, -5), (-8, -7)}; D = {(-8, -9, -3}; R = {(-9, -7 -5, -7}
Solve the problem.Determine whether a baseball hit 114 feet per second at an angle of 40° relative to level ground will clear a 10-foot wall 400 feet away.
A. Yes B. No
Solve the problem.What is the difference between a daytime temperature of 11°F and a nighttime temperature of -7°F?
A. 18°F B. 4°F C. -4°F D. -18°F
Multiply.
A. 3,705,306 B. 4,455,060 C. 4,357,266 D. 3,632,866