Using the horizontal-line test, determine whether the function is one-to-one.-0.5x2 - 3x - 3
A. Yes
B. No
Answer: B
Mathematics
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A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given.C = 2?r; C = 12.56, ? = 3.14
A. r = 15.70 B. r = 2 C. r = 78.88 D. r = 4
Mathematics
Find é if b = 6.3 and c = 9.9.
Mathematics
Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. cannot be simplified
B. 6y - 4
C. 
D. 6
Mathematics
Match the situation with the graph of the power function that models it best.The number of microorganisms growing in a culture dish as the number of days increases. (Hint: the exponent is greater than 1.)
A. 
B. 
C. 
D. 
Mathematics