Find the axis of symmetry of the given function.f(x) = -2x2 + 7x + 8

A. x = - 
B. x = 
C. x = 
D. x = - 


Answer: C

Mathematics

You might also like to view...

Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = sin u, u = 7x + 11

A. cos (7x + 11) B. - cos (7x + 11) C. - 7 cos (7x + 11) D. 7 cos (7x + 11)

Mathematics

Perform the indicated operation. Simplify if possible.-  - 

A.
B.
C.
D.

Mathematics

Use the horizontal line test to determine whether the function is one-to-one.

A. Yes B. No

Mathematics

Graph the radical function. Compare the graph to that of the square root function or cube root function.f(x) = 

A. It looks like the graph of the cube root
function, but it is shifted 3 units down.

B. It looks like the graph of the cube root
function, but it is shifted 3 units up.

C. It looks like the graph of the cube root
function, but it is shifted 3 units to the left.

D. It looks like the graph of the cube root
function, but it is shifted 3 units to the right.

Mathematics