I have this questions an answer to it would be great.
.Q.1 At t minutes after an engine starts, the rate of fuel consumption is Rkg per minute. it is given by R=10+ 10/2t+1.
a) Sketch R as a function of t
b) find the rate of consumption after 7 mins
c) find the limiting value of R as t becomes very large
d) calculate the total consumption in the 1st 7 mins
not sure how to do it