Find and simplify the difference quotient of f, 
, for the function.f(x) = 
A. 
B. 
C. 0
D. 
Answer: D
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Provide an appropriate response.Define f(0, 0) in a way that extends f(x, y) = 
to be continuous at the origin.
A. f(0, 0) = 6 B. f(0, 0) = 2 C. f(0, 0) = 0 D. f(0, 0) = 3
Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.log2 
= 1
A. -2, 6
B. ± 2
C. ± 3
D. No solution
Solve the problem, if possible. Round your answer to the nearest tenth, when appropriate.A picture 9 in. by 12 in. is to be mounted on a piece of matte board so that there is an even amount of matte all around the picture. How wide will the border be if the area of the mounted picture is 238 in.2?
A. 3.5 in. B. 2 in. C. 2.5 in. D. 3 in.
Write the first five terms of the arithmetic sequence.a1 = 19, d = -4
A. 0, 19, 15, 11, 7 B. 23, 18, 13, 8, 3 C. 19, 15, 11, 7, 3 D. -19, -15, -11, -7, -3