Decide whether the given number is a solution of the equation.-5x + 7 = -8; 3
A. not a solution
B. solution
Answer: B
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Solve
14 Find x: ÄÄÄ = 4 ÚÄÄ û3x a. 4.32 b. 5.04 c. 2.57 d. 4.08 e. 2.0
Solve the system of equations by the substitution method.
A. (7, 2) B. (-8, 2) C. (8, 1) D. no solution
Write the function f as a set of ordered pairs. Give the domain and range of f.f(-4) = -3, f(0) = 4, f(7) = 8, f(10) = 6
A. f = {(-3, -4), (4, 0), (8, 7), (6, 10)}; D = {-4, 0, 7, 10}; R = {-3, 4, 6, 8} B. f = {(-4, -3), (0, 4), (7, 8), (10, 6)}; D = {-4, 0, 7, 10}; R = {-3, 4, 6, 8} C. f = {(-4, -3), (0, 4), (7, 8), (10, 6)}; D = {-3, 4, 6, 8}; R = {-4, 0, 7, 10} D. f = {(-3, -4), (4, 0), (8, 7), (6, 10)}; D = {-3, 4, 6, 8}; R = {-4, 0, 7, 10}
Determine the vertex of the parabola.f(x) = 10x2 - 40x + 44
A. (2, 4) B. (2, 0) C. (0, 4) D. (4, 2)