- #1

karush

Gold Member

MHB

- 3,269

- 5

$(A)\, 4\quad (B)\: 5\quad (C)\, 6\quad (D)\,7\quad (E)\,8$

since

$$f'(x)=7+\dfrac{1}{x}$$

so then

$$f'(1)=7+\dfrac{1}{1}=7+1=8\quad (E)$$

$$f'(x)=7+\dfrac{1}{x}$$

so then

$$f'(1)=7+\dfrac{1}{1}=7+1=8\quad (E)$$

ok kinda an easy one but typos and suggestions possible