On a coordinate plane, a parabola opens up. Solid circles appear on the parabola at (negative 3, 12.5), (negative 2, 5), (negative 1, 0.5), (0, negative 1), (1, 0.5), (2, 5), (3, 12.5).

The graph of f (x) is shown. Estimate f (-3).

f (-3) =

Question

Mathematics

Janelle Harrison

3 November, 00:38

On a coordinate plane, a parabola opens up. Solid circles appear on the parabola at (negative 3, 12.5), (negative 2, 5), (negative 1, 0.5), (0, negative 1), (1, 0.5), (2, 5), (3, 12.5).

The graph of f (x) is shown. Estimate f (-3).

f (-3) =

+1

Answers (2)

Know the Answer?

Melody Edwards · Answer 1

12.5

Step-by-step explanation:

Vetrx is at: (0,-1) because other y values are repeated

y = a (x - 0) ² - 1

y = ax² - 1

Using (1,0.5)

0.5 = a (1) ² - 1

a = 1.5

f (x) = 1.5x² - 1

f (-3) = 1.5 (-3) ² - 1

f (-3) = 12.5

On a coordinate plane, a parabola opens up. Solid circles appear on the parabola at (negative 3, 12.5), (negative 2, 5), (negative 1, 0.5), (0, negative 1), (1, 0.5), (2, 5), (3, 12.5).The graph of f (x) is shown. Estimate f (-3).f (-3) =

On a coordinate plane, a parabola opens up. Solid circles appear on the parabola at (negative 3, 12.5), (negative 2, 5), (negative 1, 0.5), (0, negative 1), (1, 0.5), (2, 5), (3, 12.5).

The graph of f (x) is shown. Estimate f (-3).

f (-3) =