# What is the instantaneous rate of change of #f(x)=3x+5# at #x=1#?

##### 2 Answers

Mar 29, 2018

#### Explanation:

"Instantaneous rate of change of

The derivative at a point represents the function's rate of change at that point, or the instantaneous rate of change, often represented by a tangent line with the slope

So, at

Mar 29, 2018

#### Explanation:

Rate of change is just the gradient function and the instantaneous rate of change is just the gradient function at a particular point

So to get the gradient function you merely have to differentiate the original function.

so at