Simplify.8(4r + 5 + 4s)
A. 32r + 40 + 4s
B. 32r + 40 + 32s
C. 32r + 5 + 4s
D. 32r + 5 + 32s
Answer: B
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Mark works forty hours a week at a clothing store. His weekly salary is $220, plus he receives a 5% commission on sales over $1,000. Given the functions f (x) = 0.05x and g(x) = x – 1,000, which of two compositions, ( f o g)(x) or (g o f )(x), represents Mark's commission?
A. ( f o g)(x) B. (g o f )(x)
Graph the functions on the same grid.y = -2x and y = - 
A. 
B. 
C. 
D. 
Solve.The temperature on a November morning is -4°F at 3 a.m. If the temperature drops 5° by 4 a.m., rises 3° by 5 a.m., and then drops 2° by 6 a.m., find the temperature by 6 a.m.
A. 8°F B. 14°F C. -14°F D. -8°F
Determine whether the sequence is geometric.7, 4, 1, -2, -5, ...
A. Geometric B. Not geometric