Use a number line to find the sum.8 + (-7)
A. -15
B. 2
C. -1
D. 1
Answer: D
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 4 and x = 8 using the midpoint sum with four rectangles of equal width.
A. 149 B. 165 C. 174 D. 126
Solve.log2 x + 9 = 5
A. 
B. 11
C. 
D. 16
Use set notation, and list all the elements of the set.The first four natural numbers.
A. {0, 1, 2, 3, 4} B. {1, 2, 3, 4} C. {0, 1, 2, 3} D. {0, 2, 4, 6}
A toy making company has at least 300 squares of felt, 700 oz of stuffing, and 230 ft of trim to make dogs and dinosaurs. A dog uses 1 square of felt, 4 oz of stuffing, and 1 ft of trim. A dinosaur uses 2 squares of felt, 3 oz of stuffing, and 1 ft of trim.It costs the company $1.37 to make each dog and $1.67 for each dinosaur. The company wants to minimize its costs. What are the coefficients of the objective function?
A. 2, 3, 1 B. 1.37, 1.67 C. 300, 700, 230 D. 1, 4, 1