Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function.f(x) = x2 - 4
A. x = -2, x = 2
B. x = 2
C. x = -16, x = 16
D. x = -2
Answer: A
Mathematics
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Solve the problem.On a map of the Fox River, 1 centimeter represents 7 kilometers. If a trail by the river is actually 22.40 kilometers long, what is the length of the river on the map? Round to nearest tenth.
A. 10.4 centimeters B. 3.2 centimeters C. 15.4 centimeters D. 5.2 centimeters
Mathematics
Find the vertex.f(x) = 3x2 + 12x + 16
A. (-2, 4) B. (2, -4) C. (-4, 2) D. (4, -2)
Mathematics
Solve the inequality. Write the solution set in interval notation.x2(x + 16)2 < 0
A. ? B. (-?, -4] ? [0, 4] C. (-?, ?) D. [-4, 0] ? [4, ?)
Mathematics
Determine whether (f ? g)(x) = x and whether (g ? f)(x) = x.f(x) = 
, g(x) = x2
A. No, yes B. No, no C. Yes, yes D. Yes, no
Mathematics