Find the derivative of the function using the definition of derivative.f(x) = x2 + 7x - 2
A. f '(x) = x + 7
B. f '(x) = 2x + 7
C. f '(x) = 2x
D. f '(x) = 2x - 2
Answer: B
Mathematics
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Graph the system of inequalities. Shade the region that represents the solution set.x2 + y ? 2x2 - y ? 1
A. 
B. 
C. 
D. 
Mathematics
Write a description of the shaded region using the symbols A, B, C, ?, ?, -, and ' as needed.
A. B' - (A ? B) B. B - (A ? C) C. A' ? C' ? B D. B ? (A ? C)'
Mathematics
Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = -x2 - 2x + 3
A. 
B. 
C. 
D. 
Mathematics
Combine like terms.8x + 2 - 5x + 3
A. 3x + 5 B. 13x + 5 C. ( 8x - 5x) + (2 + 3) D. 8
Mathematics