Simplify.-1-3
A. 3
B. -1
C. 1
D. -3
Answer: B
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Find dy for the given values of x and ?x.y = 2x5 - 3x2 + x - 1; x = -1, ?x = 
A. 
B. 
C. 
D. 
Solve the problem.A geometric progression is a sequence of terms in which each term is r times the preceding term. The sum of the first two terms of such a sequence, where a is the first term, is given by the expression 
. Simplify the expression.
A. a(1 + r) B. a + r C. a(1 - r) D. a(1 + r2)
Solve the problem. Bethany decides to knit scarves to sell at her town's monthly craft show and wants to know how much money she will make. The cost of materials is $5 per scarf, and she plans to charge $15 for them. Using P for her profit and N for the number of scarves, write an equation for her monthly profit and graph it, assuming she does not sell more than 25 scarves in a month.Monthly Profit
A. P = $10N
| Monthly Profit |
B. P = $15N - $5
| Monthly Profit |
C. P = $15N - $5
| Monthly Profit |
D. P = $10N
| Monthly Profit |
Decide whether the set is countably infinite. Answer yes or no. ? Set of even numbers.
What will be an ideal response?