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PLEASE HELP! WILL GIVE BRAINLIEST IF CORRECT AND REASONABLE!!

1. A certain function fits the following description: As the value of x
increases by 1 each time, the value of y decreases by the square of x.
Is this function linear or nonlinear? Explain your reasoning.
2. What is the value of x that makes the relation {(2,4), (3, 6), (8, x)} a
function?
3. Write an arithmetic sequence whose common difference is -2.5

please see attachment :)

PLEASE HELP WILL GIVE BRAINLIEST IF CORRECT AND REASONABLE 1 A certain function fits the following description As the value of x increases by 1 each time the va class=

Respuesta :

1. The function is nonlinear as the change in y is not constant,
2. X is all real numbers because a function can have any value for multiple x values
3. 1, -1.5, -4, -6.5, -9
Formula for sequence
1 + -(n-1)2.5 such that 1 is the starting term and n is the term number

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