Simplify.(
+ 4)(
- 4)
A. 22
B. 2
C. 6 - 2
D. -10
Answer: D
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Use a grapher to graph the function.A wave has displacement given by 
Graph the function for 
A. 
B. 
C. 
D. 
Solve. A company produces two sizes of dog houses, large and small. The polynomial 
represents the monthly revenue from the sale of L large dog houses and S small dog houses. The polynomial 
represents the corresponding monthly cost. If the company sells 40 large dog houses and 221 small dog houses in a given month, what is the net profit or loss?
A. Net profit of $4130 B. Net profit of $4430 C. Net loss of $4130 D. Net loss of $4430
Find the exact value. If any are not defined, write undefined.cot 270°
A. 0
B. 
C. Undefined
D. -1
Find the composition. If f(x) = x2 - 5 and g(x) = x2 - 8, find (g ? f)(x).
A. x2 + 59 B. x4 - 10x2 + 17 C. x2 + 17 D. x4 - 16x2 + 59