Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one
B. not one-to-one
Answer: A
Mathematics
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Find the slope of the line containing the two points.(-9, 3); (-9, 1)
A. 
B. -2
C. 0
D. undefined
Mathematics
Solve the problem.Find the mean for the amounts: $5530, $6150, $1650, $7090, $5330, $1070.Round to the nearest whole number.
A. $7090 B. $4470 C. $1650 D. $4469
Mathematics
Solve the problem.Water accounts for 60% of a man's weight. Stan weighs 167 lb. How much of his body weight is water?
A. 167 lb B. 84 lb C. 134 lb D. 100 lb
Mathematics
Solve the problem.One number is 6 less than a second number. Twice the second number is 27 more than 3 times the first. Find the two numbers.
A. 9 and 15 B. -14 and -8 C. -16 and -10 D. -15 and -9
Mathematics