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lutik1710 [3]
3 years ago
12

Given the function f(x) = -x^2 +7x + 6, find the interval(s) in which f(x) is decreasing.

Mathematics
1 answer:
Alisiya [41]3 years ago
6 0

Answer:

Step-by-step explanation:

f'(x)=-2x+7

f(x) is decreasing if '(x)<0

so -2x+7<0

or 7<2x

or 2x>7

or x>7/2

including end points f(x) is decreasing in [3/2,∞)

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Read 2 more answers
3/5 + 1/2 =? ; 1/2 + 3/8 =? ; 1/2 + 2/5=?
slavikrds [6]
3/5+1/2=___
To add them together, convert both fractions so they have the same denominator.
3/5=6/10 and 1/2=5/10
6/10+5/10=11/10, or 1 1/10

1/2+3/8=___
Same for this one- convert both fractions so they have the same denominator.
1/2=4/8 and 3/8 stays the same
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And again, convert both fractions so they have the same denominator.
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