Consider the function h as defined. Find functions f and g such that (f ? g)(x) = h(x).h(x) = 
+ 3
A. f(x) = x, g(x) = 
+ 3
B. f(x) = 
, g(x) = 
+ 3
C. f(x) = 
, g(x) = 3
D. f(x) = x + 3, g(x) = 
Answer: D
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Solve the problem. Round to the nearest tenth if necessary.By switching service providers, a family's telephone bill decreased from about $50 a month to about $45. What was the percent of decrease?
A. 11.1%
B. 10%
C. 11%
D.
| 5% |
A function f(x), a point c, the limit of f(x) as x approaches c, and a positive number ? is given. Find a number 
such that for all x, 0 < 
< ? ? 
< ?.f(x) = -4x - 9, L = -13, c = 1, and ? = 0.01
A. ? = 0.00125 B. ? = -0.01 C. ? = 0.0025 D. ? = 0.005
Solve.If y varies inversely as x, and y = 
when x = 30, find y when x = 4.
A. 
B. 
C. 24
D. 
Solve the equation for y.7x + 3y = 7
A. y = 7x - 7
B. y = 
x - 
C. y = 
x + 
D. y = - 
x + 