Graph the function.y = 5x2 - 1  

A.

B.

C.

D.


Answer: C

Mathematics

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Solve the problem.A tank contains 100 gal of fresh water. A solution containing 2 lb/gal of soluble lawn fertilizer runs into the tank at the rate of 1 gal/min, and the mixture is pumped out of the tank at the rate of   Find the maximum amount of fertilizer in the tank and the time required to reach the maximum.

A. 50 pounds, 50 minutes B. 60 pounds, 40 minutes C. 48 pounds, 40 minutes D. 48 pounds, 60 minutes

Mathematics

Write the compound inequality as an absolute value inequality. Do not simplify.-0.7 ? x +  ? 0.7

A. x +  ? 
B.  ? 0.7 + 
C.  ? 0.7
D.  ? 0.7

Mathematics

Solve the system by graphing. If there isn't a unique solution to the system, state the reason. 

A. (2, -1) B. (1, 2) C. (2, 1) D. inconsistent system of equations

Mathematics

Do the operation and express the answer in a + bi form.

A) - 100 i B) 10 i C) - 10 i D) 10 E) - 10

Mathematics