Find an equation for the line tangent to the graph of the given function at the indicated point.f(x) = 
at (8, 2)
A. y = - 
x
B. y = - 
x + 2
C. y = - 
x + 6
D. y = - 
x + 4
Answer: D
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Factor completely. If a polynomial cannot be factored, say it is prime.x3 - 512
A. (x + 512)(x + 1)(x - 1) B. (x - 8)(x2 + 64) C. (x + 8)(x2 - 8x + 64) D. (x - 8)(x2 + 8x + 64)
Evaluate the exponential expression.(2.3)3
A. 6.9 B. 1.2167 C. 12.167 D. 121.67
Simplify. Assume that all variables represent positive real numbers.(5 - 5
)2
A. 75 - 50
B. 25 + 25
C. 25 - 25
D. 75 + 50
A spectator watches a rowing race from the edge of a river bank. The lead boat is moving in a straight line that is 110 ft from the river bank. If the boat is moving at a constant speed of 10 ft/sec, how fast is the boat moving away from the spectator when it is 600 ft past her? ? Round the answer to the nearest hundredth, if necessary. ? __________ ft/sec
Fill in the blank(s) with the appropriate word(s).