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Galina-37 [17]
3 years ago
13

If f(x)=7x^2+3x+5, what is f(3+h)

Mathematics
1 answer:
babymother [125]3 years ago
4 0

f(3 + h) = 7(3 + h) ^{2}  + 3(3 + h) + 5 = 7(9 + 6h + h ^{2}   + 5 = 63 + 42h + 7h ^{2}  + 9 + 3h + 5 = 7h ^{2}  + 39h + 14 = 7h ^{2}  + 39h =  - 14
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