Identify the points at which f(x) is differentiable. f(x) = |x + 3|; (-6, 3)
A.
f(x) is differentiable at x = 3.
B.
f(x) is differentiable at x = -3.
C.
f(x) is differentiable everywhere except at x = 3.
D.
f(x) is differentiable everywhere except at x = - 3.

cosine

step-by-step explanation:

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step-by-step explanation:

just for that im not answering

an = 22 + (n-1) *6

110 seats

step-by-step explanation:

an=a1+(n-1)(d)

a1 = 22   this is the first item in the sequence

d =6   this is how the sequence goes up

a)   an = 22 + (n-1) *6

b) a12 = 22 + (12-1) *6

    a12 = 22+11*6

  a12 = 22 +88

  a12 = 110