I need help with this math question pls help 1. Which one best describes the idea of function?
A. You can change everything to it opposite
B. Relates an input to an output
C. A function can have multiple output
D. You just flip it across the x axis

2. f(x) can be equal to four different expressions and still represent one function?
A. True
B. False

3. f(x)=3x -1 is a linear function?
A. true
b. false

the required function is .

step-by-step explanation:

from the given table it is noticed that the graph passing through (-3,7), (0,4), (3,1) and (8,-4).

it is a linear function because the value of y is decrease by one as the value of x increase by 1.

the slope of the function is

the slope of the function is -1 and the y-intercept is 4.

the slope intercept form is

where, m is slope and b is y-intercept.

therefore the required function is . the graph of this function is shown below.

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm

f(x)=4

step-by-step explanation: