a. Graph the function.b. Draw lines tangent to the graph at the points with x-coordinates -2,0, and 1.c. Find f'(x)by determining limh0f(x+h)-f(x)h.d. Find f'(-2),f'(0), and f'(1). These slopes should match those of the lines you drew in part (b).f(x)=32x2f(x)=12x2f(x)=-3x2f(x)=-2x2f(x)=x3f(x)=-x3f(x)=-2x+5f(x)=2x+3f(x)=12x-3f(x)=34x-2f(x)=x2-xf(x)=x2+xf(x)=2x2+3x-2f(x)=5x2-2x+7f(x)=2xf(x)=1xFind an equation of the line tangent to the graph off(x)=x3at(a)(-2,-8); (b)(0,0); (c)(4,64).Find an equation of the line tangent to the graph off(x)=x2at(a)(3,9); (b)(-1,1); (c)(10,100).Find an equation of the line tangent to the graph off(x)=2xat(a)(1,2); (b)(-1,-2); (c)(100,0.02).Find an equation of the line tangent to the graph off(x)=-1xat(a)(-1,1); (b)(2,-1(h)); (c)(-5,15).Help needed on numbers 8,10,18,20