For the given functions f and g, find the requested function and state its domain. Write the domain in interval notation.f(x) = 7x - 8; g(x) = 2x - 7;
Find f - g.
A. (f - g)(x) = 5x - 1; (-?, ?)
B. (f - g)(x) = 5x - 15; (-?, 3) ? (3, ?)
C. (f - g)(x) = -5x + 1; (-?, ?)
D. (f - g)(x) = 9x - 15; (-?, 1) ? (1, ?)
Answer: A
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The following table shows the length L, in centimeters, and the weight W, in grams, of a certain type of fish. Use power regression to model the weight as a function of the length. Use two digits of accuracy for the coefficient and for the power. L 28.56 32.96 38.98 42.03 46.63 W 216 310 506 689 916?
A. 
B. ?
C. ?
D. ?
Simplify the expression. Assume all variables represent nonnegative real numbers.25 -1/2
A. - 
B. 
C. 5
D. -5
Provide an appropriate response.Which point has the coordinates (-4, 1)?
A. F B. B C. D D. G
Simplify the radical. Assume that all variables represent positive real numbers.
A. 
B. 24
C. 1
D. 