Seudónimo Seudónimo

10-07-2020
Mathematics

contestada

If y = x2 + 2x , find the value of y when x = 3
and
If y = x3 - 3 , find the value of y when x = 2 plsss help me

Respuesta :

chloeannashin chloeannashin

10-07-2020

Answer:

y=15; y=5

Step-by-step explanation:

y=x2+2x

plug in x as 3:

y=3 2+ 2*3

y=9+6

y=15

Next problem:

y=x3-3

plug in x as 2:

y=2 3-3

y=8-3

y=5

Answer Link

Otras preguntas

What properties of Pluto might make scientists think that it is a Kuiper Belt Object?

a human factor expert recommends that there be at least 9 square feet of floor space in a college classroom for every student in the class. find the minimum flo

Boyle’s Law a. q = mcΔT b. q = Hvm c. P₁V₁ = P₂V₂ d. D = m/V e. K = C + 273

how can you tell that a fraction is a unit fraction? (can't any fraction be a unit fraction?)

Why do you think that parasitism exists, when one of the organisms is harmed by the relationship?

helen bought 4 gallons of paint to redecorate her family room. if she uses 4/5 of the paint on the family room walls how much paint does Helen have left over???

Write the balanced equation for the reaction of aqueous Pb(ClO3)2 with aqueous NaI.

Which of the following organisms is not in the phylum Echinodermata? a. brittle star b. lancelet c. sea star d. sand dollar

A cheetah runs with a positive acceleration. What does this tell you about the velocity time graph for the cheetah? A. Graph negative slope B. graph positive sl

how to write a multiplication equation with 1/2 as a factor. explain. (picture of 8 halved apples)