Which of the following is a linear function? PLS HELP

y = x^3 + 1
5/6 x = y − 4
y = 8x^2
y = 1/5x

y=3x+1

Step-by-step explanation:

You get all the steps you need in order to make a linear graph line. you see 3x is where the x intercept is going to be. you always need to see a number at the end of the equation with either +/- sign as in (+1).

(have a great day!)

the solution of the equation is 2.23 ⇒ answer b

step-by-step explanation:

* lets revise the meaning of exponential function

- the form of the exponential function is y = ab^x, where a ≠ 0, b > 0 ,  

  b ≠ 1, and x is any real number

- it has a constant base b

- it has a variable exponent x

- to solve an exponential equation, take the log or ln of both sides,  

  and solve for the variable

* lets solve the problem

∵

- the base is 7 and the exponent is x

- insert ㏑ in both sides

∴

- use the rule

∴ x ㏑(7) = ㏑(77)

- to find x divide both sides by ㏑(7)

∴

* the solution of the equation is 2.23 to the nearest 2 decimal places

step-by-step explanation:

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