Differentiate f(x) = 3x^2+5x+3

Remember the rules for differentiation?

We take each term which looks like axn where a and n are just numbers and we turn it into: (an)xn-1

So for this example, we go term by term and get:

f'(x) = 6x+ 5x0 + 0 = 6x+ 5

AK
Answered by Alok K. Maths tutor

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1/7 + 5/3x


200 pupils are taking a school trip. Some are flying, some are taking the bus. There are three times as many boys going as girls. One third of the boys going are flying. How many boys are getting the bus?


How do you solve the simultaneous equations 3x+y=5 and x-y=3?


Rearrange the formula to make a the subject: b = (2a + 5)/3


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