Find the largest open interval where the function is changing as requested.Increasing f(x) = 
A. (-?, 1)
B. (0, ?)
C. (1, ?)
D. (-?, 0)
Answer: D
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Solve by using the square root property.11x2 = 7
A. x = 
B. x = ± 
C. x = 
D. x = ± 
Solve.When the temperature stays the same, the volume of a gas is inversely proportional to the pressure of the gas. If a balloon is filled with 122 cubic inches of a gas at a pressure of 14 pounds per square inch, find the new pressure of the gas if the volume is decreased to 61 cubic inches.
A. 
pounds per square inch
B. 28 pounds per square inch
C. 26 pounds per square inch
D. 14 pounds per square inch
Use the formula A = P(1 + rt) to find the indicated quantity.Allan borrowed $5500 from his father to buy a car. He repaid him after 8 months with interest of 7% per year. Find the total amount he repaid.
A. $5724.58 B. $5885.00 C. $256.67 D. $5756.67
For the given functions f and g, find the requested function and state its domain. Write the domain in interval notation.f(x) = 9 - 7x; g(x) = -5x + 7;
Find f + g.
A. (f + g)(x) = -5x + 9; (-?, 
) ? (
, ?)
B. (f + g)(x) = 4x; (-?, ?)
C. (f + g)(x) = -2x + 16; (-?, 
? 
, ?)
D. (f + g)(x) = -12x + 16; (-?, ?)