Solve the system graphically. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this. 4x + y = -22  x + 6y = 6

A. (-6, -7)
B. (-6, 2)
C. (-5, -2)
D. (6, 2)


Answer: B

Mathematics

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Determine if the given function y = f(x) is a solution of the accompanying differential equation.y' + y = e2xy = 5e- x + e2x

A. Yes B. No

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Factor the polynomial by grouping.12x2 - 15x - 16x + 20

A. (3x + 4)(4x + 5) B. (3x - 4)(4x - 5) C. (12x - 4)(x - 5) D. (12x + 4)(x + 5)

Mathematics

Simplify and add or subtract wherever possible.4 - 2 + 5

A. 100 - 18 + 180
B. 20 - 6 + 30
C. 12 - 10 + 35
D. 44 

Mathematics

Find the indicated term.$1000, $1010, $1020.10, . . . ; the 9th term

A. $1072.14 B. $9090 C. $1082.86 D. $1093.69

Mathematics