Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = 
A. Yes
B. No
Answer: A
Mathematics
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Solve the system by substitution.7x - 6y = -35-4x - 3y = 20
A. {(-5, 0)} B. ? C. {(-6, 1)} D. {(-5, 1)}
Mathematics
Sketch the graph of the equation 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Use the power rule and the power of a product or quotient rule to simplify the expression.(3a)3
A. 27a3 B. 9a3 C. 27a D. 9a
Mathematics
Provide an appropriate response.Stephen said that the ratio of his mortgage to the sales price of his house is 8 to 9. Is this reasonable? Explain your answer.
What will be an ideal response?
Mathematics