Write the equation of the axis of symmetry.y = 2x2 - 8x + 13

A. x = -5
B. x = 2
C. x = 5
D. x = -2


Answer: B

Mathematics

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Find the composition.f(x) = ; g(x) = 4x2Find (g ? f)(x).

A. (g ? f)(x) = 16
B. (g ? f)(x) = 
C. (g ? f)(x) = 76
D. (g ? f)(x) = 762

Mathematics

Solve the problem.Newton's Law of Cooling states that if a body with temperature T1 is placed in surroundings with temperature T0 different from T1, then the body will either cool or warm to temperature T(t) after time t, in minutes, where A cup of coffee with temperature 105°F is placed in a freezer with temperature 0°F. After 7 minutes, the temperature of the coffee is 61.7°F. What will its temperature be 14 minutes after it is placed in the freezer? Round your answer to the nearest degree.

A. 36°F B. 30°F C. 33°F D. 28°F

Mathematics

Solve the problem.Find a solution of y = x - 3 that lies in Quadrant III. How many solutions of this equation are in Quadrant III?

What will be an ideal response?

Mathematics

Write the rational expression in lowest terms.

A.
B.
C.
D.

Mathematics