Use the given graph to find the x-intercepts and zeros of the function.
A. (4, 0), (1, 0); 4, 1
B. (-4, 0), (1, 0); -4, 1
C. (-1, 0), (4, 0); -1, 4
D. (-4, 0), (-1, 0); -4, -1
Answer: C
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Graph the quadratic function. Determine the vertex, find the equation of the axis of symmetry, find any x- and y-intercepts, and state the domain and range in interval notation.f(x) = -x2 + 2x
A. vertex: (1, 1)
axis of symmetry: x = 1
x-intercepts: 0 and 2; y-intercept: 0
domain: (-?, ?); range: (-?, 1]
B. vertex: (-1, 1)
axis of symmetry: x = -1
x-intercepts: 0 and - 2; y-intercept: 0
domain: (-?, ?); range: (-?, 1]
C. vertex: (1, -1)
axis of symmetry: x = 1
x-intercept: none; y-intercept: -2
domain: (-?, ?); range: (-?, -1]
D. vertex: (-1, -1)
axis of symmetry: x = -1
x-intercept: none; y-intercept: -2
domain: (-?, ?); range: (-?, -1]
Use a TVM slover to find the APR (true annual interest rate), to the nearest 0.01%, for the loan. Use the Annual Percentage Rate table if necessary.
PurchaseDown Payment Add-on# of Payments PriceInterest Rate $5000$5005%24
A. 8.59% B. 8.96% C. 9.10% D. 9.32%
Find the inverse of the function.f(x) = 5x3 + 7
A. f-1(x) = 
- 7
B. f-1(x) = 
C. Not a one-to-one function
D. f-1(x) = 
Solve the system of equations by graphing. If the system is inconsistent or the equations are dependent, say so. 3x - 2y = 4-6x + 4y = 7
A. {(x, y)|3x - 2y = 4} (dependent equations) B. {(2, 1)} C. ? (inconsistent system) D. {(1, 2)}