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

Shaun Bailey

22 February, 11:19

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?

Marin Snyder · 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) =