Solve the problem.Find (fg)(x) given f(x) = 3x + 1 and g(x) = 5x2 - 3.
A. 15x3 - 9x2 + 5x - 3
B. 3x3 + 5x2 - 3
C. 15x3 + 5x2 - 9x - 3
D. 15x3 - 3
Answer: C
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Which subtraction model (take-away, missing addend, comparison, or measurement) corresponds best to the problem?Joyce promised to make fruit baskets for her school bazaar. On Monday, she made 143 baskets and on Tuesday, she made 185 baskets. How many more baskets did she make on Tuesday than on Monday?
A. Comparison B. Missing addend C. Take-away D. Measurement
Solve the problem.Ellen is knitting a scarf with one 2
-inch blue stripe, one 2
-inch green stripe, and one 1
-inch white stripe. How wide is the scarf?
A. 
inch
B. 
inch
C. 6
inches
D. 2
inches
Use the quotient rule to simplify the expression. Use positive exponents to write the answer.
A. 
B. 
C. 
D. 
Determine the most appropriate metric unit to go in the blank. Choose from L, ml, kg, g, and mg.The capacity of the car's gas tank is 75 
.
A. g B. mL C. kg D. mg E. L