Is this right? which of the following is the best linear approximation for f(x) = tan(x) near x = 3pi/4? i used the linearization equation y=f(a)+f'(a)(x-a) y=f(3pi/4)+f'(3pi/4)(x-3pi/4) y=tan(3pi/4)+sec^2(3pi/4)(x-3pi/4) y= -1+2(x-3pi/4) y= -1+2x-3pi/2 2y=4x-3pi-2 is this correct?

idc

step-by-step explanation:

idk

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk