Given the function, find the indicated value.f(x) = -6x + 3; f(12)
A. -75
B. -71.7
C. 75
D. -69
Answer: D
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Simplify and then, if appropriate, write in radical notation. z-2/5 ? z3/5
A. 
B. 
C. 
D. 
Solve the problem.A box contains a total of n + 2 light bulbs. In this box, there are 7 defective 40-watt bulbs, 4 defective 60-watt bulbs, and 5 defective 100-watt bulbs. If a light bulb is chosen at random by a quality control inspector, the probability, or chance, of one of the defective light bulbs being chosen is 
+ 
+ 
.Simplify this expression and then use the simplified expression to evaluate n = 98 and interpret the result.
A. 
; when there are 100 light bulbs, there are 4 chances in 25 that a defective light bulb is chosen.
B. 
; when there are 100 light bulbs, there are 7 chances in 50 that a defective light bulb is chosen.
C. 
; when there are 100 light bulbs, there are 8 chances in 25 that a defective light bulb is chosen.
D. 
; when there are 100 light bulbs, there are 9 chances in 50 that a defective light bulb is chosen.
Simplify the expression.-8z - 3z
A. -11z B. 5z C. 5z2 D. -11z2
Find the principal square root of the number. Approximate the answer to the nearest hundredth whenever appropriate.(ab)2, ab < 0
A. -ab, ab B. 2ab C. -ab D. ab