Simplify the expression.8b - 6b + 2
A. -2b + 2
B. 2b + 2
C. 4b
D. 14b + 2
Answer: B
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For the given functions f and g, find the requested function and state its domain.f(x) = 16 - x2; g(x) = 4 - xFind f + g.
A. (f + g)(x) = 4 + x; (-?, -4) ? (-4, ?) B. (f + g)(x) = x3 - 4x2 - 16x + 64; (-?, ?) C. (f + g)(x) = -x2 + x + 12; (-?, ?) D. (f + g)(x) = -x2 - x + 20; (-?, ?)
Use INTERSECT to find the solution to the equation. Round to two decimal places, if necessary.3(x - 5) = 5(x - 6)
A. x = 7.5 B. x = -7.5 C. x = -2.5 D. x = 2.5
Find the equation of the transverse axis of the hyperbola.x2 - y2 = -50
A. y = 0 (x-axis) B. x = 0 (y-axis) C. y = 50x D. x = -y
Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find the [H3O+] if the pH = 2.3.
A. 2.7 × 101 B. 5.0 × 10-3 C. 2.0 × 102 D. 3.6 × 10-1