Determine which function matches the graph. Do this without using your grapher.A: y = x - 2 -  + B: y = x - 2 +  - C: y = x - 2 + 

/> + D: y = 2 +  + 



A. D

B. A

C. C

D. B

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Answer: C

Mathematics

Solve the problem.Total profit is defined as total revenue minus total cost. R(x) and C(x) are the total revenue and total cost respectively from the sale of x televisions. If  and   find the profit from the sale of 50 televisions.

A. $4750 B. $6250 C. $22,250 D. $20,750

Provide an appropriate response.Why is an exponential function one-to-one?

What will be an ideal response?

Express the number in scientific notation.74,000

A. 7.4 × 103 B. 7.4 × 10-3 C. 7.4 × 104 D. 7.4 × 10-4  

Evaluate.

A. -33 B. -9 C. 21 D. -21