Determine the vertex of the parabola.f(x) = -2x2 + 12x - 23
A. (-3, 5)
B. (3, -5)
C. (5, -3)
D. (-5, 3)
Answer: B
Mathematics
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Find three ordered pair solutions by completing the table. Then use the ordered pairs to graph the equation.y = 2x - 3
A. 
B. 
C. 
D. 
Mathematics
Write the expression with positive exponents. Then simplify if possible.
A. 7 B. 49 C. 343 D. 14
Mathematics
Find the slope of the line passing through the pair of points:P (–1,–18); Q (13,16)
a. m = frac (17) (7) b. m = -frac (7) (17) c. m = -frac (17) (7) d. m = frac (7) (17) e. none of these
Mathematics
Use a Riemann sum to approximate the area under the graph of f(x) on the given interval, with selected points as specified.f(x) = x2 from x = 0 to x = 1, n = 2; use midpoints of subintervals
A. .3145 B. .75 C. .625 D. .125
Mathematics