Tell whether the relation is a function.
A. Function
B. Not a function
Answer: A
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Find an equation for the line that passes through the given point and satisfies the given conditions.P = (-7, 5); perpendicular to v = -2i - 2j
A. -2x + 2y = 24
B. -2x - 2y = 8
C. y - 5 = - 
(x + 2)
D. -2x - 2y = 4
Decide if the function is an exponential function. If it is, state the initial value and the base.y = x4x
A. Exponential Function; base = 4x; initial value = 0 B. Exponential Function; base = x; initial value = 1 C. Exponential Function; base = x; initial value = 0 D. Not an exponential function
Solve.A pendulum bob swings through an arc 80 inches long on its first swing. Each swing thereafter, it swings only 66% as far as on the previous swing. What is the length of the arc after 10 swings? Round your answer to two decimal places, if necessary.
A. 0.83 inches B. 475.2 inches C. 1.9 inches D. 1.25 inches
Fill in the blank with the correct inequality symbol.If x < 8, then -2x 
-16.
A. < B. ? C. > D. ?