Find the third-degree Taylor polynomial of f(x) = tan x centered at c = pi/4

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18