Evaluate the expression.(g ? f)(c) when f(x) = -6x + 8 and g(x) = 2x + 5.
A. 12c + 21
B. -12c - 11
C. -12c + 38
D. -12c + 21
Answer: D
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Determine whether the following is always true or not always true. Given reasons for your answers.(u × v) ? w = u ? (w × v)
What will be an ideal response?
Provide an appropriate response.If the total profit (in dollars) from the sale of x radios is P(x) = 50x - 0.05x2 - 700 + 5 ln(x), use Newton's method to approximate the break-even points for profit. (Note: There are 2 break-even points; one is between 10 and 50, and the other is between 900 and 1000.)
What will be an ideal response?
Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.h(x) = 
+ 2.8x
A. Constant; 
; 
; 0
B. Quadratic; 2.8x; 2.8; 2
C. Linear; 
; 
; 1
D. Linear; 2.8x; 2.8; 1
Use the formulas below to answer the question. Round your answer to the nearest tenth if necessary.C = 
(F - 32) or C = 
F = 
C + 32 or F = 1.8C + 32.A chemical must be stored at 30°C. What is this temperature in degrees Fahrenheit?
A. 111.6°F B. 86.0°F C. 48.7°F D. 2.5°F