Are the questions linear or nonlinear models?

1.
The height of a ball when it is thrown into the air is shown by equation h = −16t2 + 20t + 3, where h is the height of the ball and t is time in seconds since the ball was released.

Question

Are the questions linear or nonlinear models?

1.
The height of a ball when it is thrown into the air is shown by equation h = −16t2 + 20t + 3, where h is the height of the ball and t is time in seconds since the ball was released.

itsbribro · Answer

2.
A salesperson's monthly earnings are shown by the equation e = 1200 + 0.04s, where e represents the salesperson's monthly earnings and s is her monthly sales.

itsbribro · Answer

3.
The amount of a 500 g sample of a radioactive substance that remains over time is given by the equation $$A=500 \times(0.2)^d$$, where d is the number of days since the sample weight was 500 g.

itsbribro · Answer

4.
Mikaela's distance from home as she drives at a constant rate is given by the equation d = 368 - 42t, where d is her distance from home and t is time in hours.

itsbribro · Answer

@RyleeC

itsbribro · Answer

can you help please @zBrandz23  im in a rush :/

zbrandz23 · Answer

I have no clue how to do this one srry

itsbribro · Answer

its okay thanks anyways

zbrandz23 · Answer

I'm working out of a workbook on figuring out the slope.

zbrandz23 · Answer

Hope you get the correct answer though

itsbribro · Answer

@LunyMoony  can you please bro :)

zbrandz23 · Answer

@midhun.madhu1987 he's really good at math

midhun.madhu1987 · Answer

If the degree of a equation is 1, then the equation is said to be Linear... I think so...

Degree is the highest power of an expression...