Find the maximum or minimum value of the function

label Algebra
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Find the maximum or minimum value of the function.
f(x) = x2 + x + 1

    

Find the maximum or minimum value of the function. (Round your answer to two decimal places.)
f(t) = 134 − 9t − 3t2

   

Mar 10th, 2015

Answers:

Question #1

here that function can be rewritten as follows:

f(x) = (x +1/2)^2 + 3/4

so its minimum value is:

y_min = 3/4


Question #2

here your function can be rewritten as follows:

f(t) = -3 (t +3/2)^2  +563/4

so its maximum value, is:

y_max = 563/4

Mar 10th, 2015

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