11-02-2021
Mathematics

contestada

Using F(x) = 5x^2- 3, what is f(-3)?

A. 42
B. -3
C.-48
D. -42

Respuesta :

ag05596 ag05596

11-02-2021

Answer: 42

Step-by-step explanation

Switch x out with 3

using Pemdas do the exponent first

3^2 is 9

then multiply

5*9= 45

then subtract

45-3=42

Answer Link

Otras preguntas

Explain why converting from meters to centimeters uses a different exponent than converans meters to millimeters.

Which temperture is the coldest -13°F -20°F 20°F 13°F

The radius of a copper (Cu) atom is roughly 1.3 x 10^-10 m. How many times can you divide evenly a 10-cm-long piece of copper wire until it is reduced to two se

In contrast to cost of capital, financial capital does what? I1.s the combination of debt and equity reflects the firm's financial leverage

What law encourages healthcare professionals to provide medical care in an emergency situation without fear of being sued for negligence?

Three pairs of gloves- a red pair, a blue pair, and a green pair-are in a drawer. If the gloves are removed at random without returning any to the drawer, what

4) Determine the value of r so that a line through the points (r, 2) and (4, -6) has a slope =

Consider 4.60 L of a gas at 365 mmHg and 20. ∘C . If the container is compressed to 2.60 L and the temperature is increased to 36 ∘C , what is the new pressure,

Papenfuss Family Inn is a bed and breakfast establishment in a converted 100-year-old mansion. The Inn's guests appreciate its gourmet breakfasts and individual

If the point A is located at ( –5, – 3) and A’ is the image of A after being rotated about the origin by 270° (counter clockwise). What are the coordinates of