Evaluate. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Answer: D
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Solve.When an object is dropped to the ground from a height of h meters, the time it takes for the object to reach the ground is given by the equation t = 
, where t is measured in seconds. If an object falls 78.4 meters before it hits the ground, find the time it took for the object to fall.
A. 7 seconds B. 16 seconds C. 5 seconds D. 4 seconds
Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. s2 - 3s - 18 < 0
A. (-?, -3) ? (6, ?)
B. (-?, -3)
C. (-3, 6)
D. (6, ?)
Find the inverse of the function and state its domain and range .{(4, -5), (5, -4), (-9, -9), (9, 9)}
A. {(9, -9), (-4, 5), (-5, 5), (-9, 9)}; D = {(9, -4, -5, -9}; R = {-9, 5, 9}
B. {(9, -9), (-9, 5), (-5, 4), (-9, 9)}; D = {9, -9, -5, -9}; R = {-9, 5, 4, 9}
C. 
D = { 4, 5, -9, 9}, R = 
D. {(-5, 4), (-4, 5), (-9, -9), (9, 9)} D = {-5, -4, -9, 9}; R = {4, 5, -9, 9}
Find an equation for the line. Write the equation in standard form.With slope of - 
, through (3, 3)
A. 9x + 4y = -39 B. 4x + 9y = 39 C. 4x - 9y = 39 D. 4x + 9y = -39