Simplify by removing grouping symbols and combining like terms.-2(3x - y ) + 2(x + 6y)
A. -4x + 14y
B. -4x + 5y
C. -4x - 10y
D. -4x + 8y
Answer: A
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Use a grapher to graph the function.The weekly profit p in thousands of dollars, for a seasonal business is given by 
, where x is the number of the week of the year. Sketch p as a function of x for one year.
A. 
B. 
C. 
D. 
Solve the problem. Use a calculator with an LN or a LOG key.The height in meters of girls of a certain tribe is approximated by 
where t is the girl's age in years and 
Estimate the height (to the nearest hundredth of a meter) of a girl of the tribe 4 years of age.
A. 1.12 m B. 0.52 m C. 0.77 m D. 0.96 m
Find the x-intercepts.f(x) = 4x2 - 3x - 3
A. (2, 0) and (3, 0)
B. No x-intercepts
C. (
, 0) and (
, 0)
D. (
, 0) and (
, 0)
Factor the polynomial.4x2 + 12x + 9
A. (2x - 3)(2x - 3) B. (4x + 3)(x + 3) C. (2x + 3)(2x + 3) D. prime