Choose the graph that satisfies the given conditions.Degree 3 with one x-intercept and a positive leading coefficient
A.
B.
C.
D.
Answer: C
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Solve.A student takes out two loans totaling $12,000 to help pay for college expenses. One loan is at 10% simple interest, and the other is at 9% simple interest. The first-year interest is . Find the amount of the loan at 9%.
A. $10,000 B. $1000 C. $180 D. $2000
Identify the domain and range of the relation.{(-3, 12), (-2, 7), (0, 3), (2, 7), (4, 19)}
A. domain: {12, 7, 3, 19} range: {-3, -2, 0, 2, 4} B. domain: {-3, -2, 0, 2, 4} range: {12, 7, 3, 19}
Match to the equivalent expression. ?
A.
B.
C.
D.
Solve the problem.A firm making microwave ovens finds that the total cost, C(x), of producing x units is given by C(x) = 80x + 520.The revenue, R(x), from selling x units is determined by the price per unit times the number of units sold, thus R(x) = 90x.Find and interpret (R - C)(44).
A. $80 profit, income exceeds cost B. -$80 loss, cost exceeds income C. $8000 profit, income exceeds cost D. $96 profit, income exceeds cost