A farming community collected data on the effect of different amounts of fertilizer, , in 100 kg/ha, on the yield of carrots, , in tonnes. The resulting quadratic regression model is = −0.52 + 1.4 + 0.1. Determine the amount of fertilizer needed to produce the maximum yield.

21/58.

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the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.

answer:

idk

step-by-step explanation: