Generate y0, y1, y2, y3, and y4 from the difference equation. y0 = -7, yn = yn-1 + 2

A. 0, 2, 4, 6, 8
B. -5, -3, -1, 1, 3
C. -7, 2, 4, 6, 8
D. -7, -5, -3, -1, 1


Answer: D

Mathematics

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Find the values of x for which the given function is concave up, the values of x for which the function is concave down, and any points of inflection.y = -2x2 - 4x - 5

A. Concave up for all x, no points of inflection B. Concave down for all x, no points of inflection C. Concave down for x < -1, concave up for x > -1, point of inflection at (-1, -3) D. Concave up for x < -1, concave down for x > -1, point of inflection at (-1, -3)

Mathematics

Solve the equation for the indicated variable.V = Bh, for h

A. h = 
B. h = 
C. h = 
D. h = 

Mathematics

Find the amount of any refund or tax due. The letter following the name indicates marital status. Assume a 52-week year and that married people are filing jointly. Use $3700 for each personal exemption; a standard deduction of $5800 for single people, $11,600 for married people, and $8500 for head of household; and the tax rate schedule. 

A. $11,601.17 refund B. $477.57 refund C. $477.57 due D. $11,601.17 due

Mathematics

Solve the problem.Find the equation of a circle in standard form where C(6, -2) and D(-4, 4) are endpoints of a diameter.

A. (x + 1)2 + (y + 1)2 = 136 B. (x - 1)2 + (y - 1)2 = 34 C. (x - 1)2 + (y - 1)2 = 136 D. (x + 1)2 + (y + 1)2 = 34

Mathematics