Use a graphing utility to find the solution of the equation. Round to the nearest thousandth.x2 - 2x - 5 = ex - 5 + 2
A. {-1.865, 3.860}
B. {-1.831, 3.900}
C. {-1.828, 3.886, 9.035}
D. {-1.828, 3.886}
Answer: C
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The function f is one-to-one. Find its inverse.f(x) = 5x2 - 7, x ? 0
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = - 
A point P(r, ?) in polar coordinates is given. Determine the rectangular coordinates P(x, y).(-3, 90°)
A. (0, -3) B. (0, 3) C. (-3, 0) D. (3, 0)
Find the vertices and foci of the ellipse. Graph the ellipse.4x2 + 49y2 = 196
A. Foci at (0, -7) and (0, 7)
Vertices at (0, -49), (0, 49)
B. Foci at (-7, 0) and (7, 0)
Vertices at (-49, 0), (49, 0)
C. Foci at (0, - 3
) and (0, 3
)
Vertices at (0, -7), (0, 7)
D. Foci at (- 3
, 0) and (3
, 0)
Vertices at (-7, 0), (7, 0)
Solve the quadratic equation by any method.-4x = x2 - 40
A. ±2
B. -2 ± 2
C. -2 ± 2
D. 2
± 2