Solve the problem.If (a, 3) is a point on the graph of y = 2x - 5, what is a?
A. 1
B. -1
C. -4
D. 4
Answer: D
Mathematics
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For the given functions f(x) and g(x), find (f + g)(x) or (f - g)(x) as indicated.f(x) = -5x + 8, g(x) = x2 - 3x - 9Find (f + g)(x).
A. x2 - 8x + 12 B. x2 + 3x - 1 C. x2 - 8x - 1 D. x2 + 3x + 5
Mathematics
Determine one solution of the quadratic equation numerically.x2 - 8x + 14 = 11
A. x ? 0.4 B. x ? 0.3 C. x ? 0.5 D. x ? 0.2
Mathematics
Use the square root property to solve the equation.x2 = 169
A. {-13, 13} B. {84.5} C. {13} D. {-14, 14}
Mathematics
Write the rate as a simplified fraction. Then write the rate in word form.166 square yards for 6 cans of paint
A. 
166 square yards for every 3 cans of paint
B. 
83 square yards for every 3 cans of paint
C. 
83 cans of paint for every 3 square yards
D. 
83 square yards for every 6 cans of paint
Mathematics