Find the function value, provided it exists.
; f(7)
A. - 
B. Undefined
C. 
D. 3967
Answer: B
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Solve the problem.There are 3 cards in a hat; one is a king, one is a queen, and one is an ace. Two cards are to be selected at random with replacement. Using a tree diagram , obtain the sample space for the experiment. Then, find the probability that you choose the same card twice.
A. 
B. 
C. 
D. 
Multiply.-10 ? (-1.4) ? 6 ? (-0.06)
A. 5.04 B. 50.4 C. -50.4 D. -5.04
Solve.y2 + 8y = 5
A. -4 ± 
B. -1 ± 
C. 4 + 
D. -4 ± 2
Find the slope of the line and write the slope as a rate of change. Don't forget to attach the proper units.The graph shows the total cost y (in dollars) of owning and operating a mini-van where x is the number of miles driven.
A. cannot be determined B. $19.00 per mile C. $0.46 per mile D. $2.17 per mile