Multiply.8(9 + 7s)
A. 9 + 56s
B. 72 + 504s
C. 72 + 56s
D. 72 + 7s
Answer: C
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For the given function:a) Describe an appropriate domain and range for the function.b) Make a rough sketch of a graph of the function. c) Briefly discuss the validity of your graph as a model of the true function.(time spent studying, percentage on exam)
What will be an ideal response?
Expand and simplify the given expression by use of Pascal's triangle.(-2x - 1)5
A. 32x5 + 80x4 + 80x3 + 40x2 + 10x + 1 B. -32x5 + 80x4 - 80x3 + 40x2 - 10x + 1 C. -32x5 - 80x4 + 80x3 - 40x2 + 10x - 1 D. -32x5 - 80x4 - 80x3 - 40x2 - 10x - 1
Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Factor by grouping.14m3 - 7m2n2 - 2mn + n3
A. (7m - n)(2m2 - n2) B. (7m2 - n)(2m - n2) C. (7m2 + n)(2m - n2) D. (7m2 - n)(2m + n2)