Graph the function. Identify the vertex, x-intercepts, and the equation for the axis of symmetry.f(x) = x2 + 4x - 7
A. 
vertex: (- 
, - 
)
x-intercepts: (-4, 0) and (3, 0)
axis of symmetry: x = - 
B. 
vertex: (4, 0)
x-intercept: (4, 0)
axis of symmetry: x = 4
C. 
vertex: (-2, -11)
x-intercepts: (-2 ± 
, 0)
axis of symmetry: x = -2
D. 
vertex: (-2, 3)
x-intercepts: none
axis of symmetry: x = -2
Answer: C
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Provide an appropriate response.If 
and 
both converge conditionally, what can be said about 
?
A. The series always diverges. B. The series always converges. C. The series may converge or diverge.
Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 22.5°
A. - 
B. 
C. - 
D. 
Perform the indicated operation.(4x - 1)(x2 - 2x + 1)
A. 4x3 - 7x2 + 2x - 1 B. 4x3 + 9x2 - 6x + 1 C. 4x3 - 8x2 + 4x + 1 D. 4x3 - 9x2 + 6x - 1
Solve the equation.
= 
A. 
B. 
C. 
D. 