Find the vertex of the parabola.f(x) = - x2 + 5x - 5

A. (15, -5)
B.  
C.  
D. (-15, -155)


Answer: C

Mathematics

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Solve the problem.The following information on Company X appears in a stock table. Find the amount received by the seller of 80 shares of Company X at the day's closing price. Deduct sales expenses which consist of the broker's commission and SEC fee. Assume that the transaction is broker-assisted and that the discount broker's commissions are as follows, using Firm A: ?

A. $2695.20 B. $2661.19 C. $2662.19 D. $2650.15

Mathematics

Provide an appropriate response.At what nominal rate of interest, compounded quarterly, will money double in 10 years?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Factor.r2 + 2r + 1

A. (r + 1)(r - 1) B. (r + 2)(r - 2) C. (r + 1)2 D. (r - 1)2

Mathematics

Use mathematical induction to prove the statement is true for all positive integers n.6 + 12 + 18 + . . . + 6n = 3n(n + 1)

What will be an ideal response?

Mathematics