Combine. Simplify the answer.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use the graph of f to determine the intervals where f is increasing and where f is decreasing.
A. increasing: (-?, ?); decreasing: never B. increasing: (-?, 0]; decreasing [0, ?) C. increasing: [0, ?); decreasing (-?, 0] D. increasing: never; decreasing: (-?, ?)
Mathematics
Write the number in scientific notation.47,000
A. 4.7 × 103 B. 4.7 × 10-3 C. 4.7 × 10-4 D. 4.7 × 104
Mathematics
Solve the problem.A searchlight is shaped like a parabola. If the light source is located 3 feet from the base along the axis of symmetry and the opening is 8 feet across, how deep should the searchlight be?
A. 4 ft B. 1.3 ft C. 5.3 ft D. 0.6 ft
Mathematics
Find the composition. If f(x) = x2 + 3x and g(x) = x + 4, find ( f ? g)(2)
A. 3
B. 0
C. 14
D. 54
Mathematics