Question

At 7:00 a.m. the temperature outside was 56 degrees F. By 11:00 a.m., the temperature had risen to 72 degrees F. Which equation models the temperature y at time x?
y = -4x - 28
y = 4x + 28
y = -4x +28
y = 4x - 28

Answer 1

@MARC_

Answer 2

Hmm,what do u think? @MathHelpplease20000

Answer 3

I think its B

Answer 4

great!

Answer 5

that's the answer :)

Answer 6

really..? O.o

Answer 7

let me tell u

Answer 8

56degress to 72degrees is increasing or decreasig? @MathHelpplease20000

Answer 9

increasing

Answer 10

good

Answer 11

help me @MARC_

Answer 12

so will it be postive or negative number? @MathHelpplease20000

Answer 13

positive

Answer 14

good :)

Answer 15

7am to 11am is increasing or decreasing? @MathHelpplease20000

Answer 16

increasing

Answer 17

if it is increasing it will be positive number.if it is decreasing it will be negative number.

Answer 18

great!

Answer 19

therfore it will be y=4x+28 @MathHelpplease20000

Answer 20

It all makes sense noow ^0^ thanks @MARC_

Answer 21

therefore*

Answer 22

np :) @MathHelpplease20000