SOLUTION: Q: Determine which of the functions below are linear? I am a parent want to verify son has selected the correct answer. a. y=2xsquared+3 b. d=neg 1/2t c. A=pie rsquared

SOLUTION: Q: Determine which of the functions below are linear? I am a parent want to verify son has selected the correct answer. a. y=2xsquared+3 b. d=neg 1/2t c. A=pie rsquared

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Question 1062162: Q: Determine which of the functions below are linear? I am a parent want to verify son has selected the correct answer.

a. y=2xsquared+3
b. d=neg 1/2t
c. A=pie rsquared
d. T=4.75m-5

Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
The only answer that is linear (independent variable has exponent of 1) is (d).
T=4.75m - 5 is a linear equation.
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