Determine whether the equation defines y as a function of x. y = x3
A. function
B. not a function
Answer: A
Mathematics
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Use the five-step strategy for solving word problems to find the number or numbers described in the following exercise.When four times the number is added to 7 times the number, the result is 33. What is the number?
A. 4.7 B. 1 C. 3 D. -4.7
Mathematics
Solve and graph. Write the answer in set-builder notation.-7 ? 
A. {x |x ? -35}
B. {x |x > -35}
C. {x |x ? -35}
D. {x |x < -35}
Mathematics
Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Mathematics
Evaluate the expression or indicate that the root is not a real number.
A. 
B. 9
C. 6561
D. Not a real number
Mathematics