Adifferentiable function f has the property that f(5)=3 and fprime(5)=4. what is the estimate for f(4.8) using the local linear approximation for f at x=5?

I’m stuck on this i don’t understand.

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Can you divide 25 into 4 equal groups? explain why or why not.