Determine whether the equation is a function.y = 5x2 - 6x + 9
A. function
B. not a function
Answer: A
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A. 
B. 6
C. -729
D. 9
Mathematics
Provide an appropriate response. The local school budget needed to be cut by $300,000. If the budget was originally set at $1,543,000, what is the percent of decrease needed?
A. 51.4% B. 5.14% C. 1.94% D. 19.4%
Mathematics
Find all solutions of the equation in the interval [0, 2?).cot2 = 3
A. 
B. 
C. 
D. 
Mathematics
Estimate the sum as indicated. Then answer the question.Estimate the following sum by first rounding to the nearest hundred. Does the estimate give you reason to doubt the stated sum?
A. Estimate: 12,900 ; yes B. Estimate: 12,900 ; no C. Estimate: 12,600 ; no D. Estimate: 12,600 ; yes
Mathematics