Question

Grape

求這三題的過程 謝謝！

L000
In exercises 37-39, determine values of a and b that make the
given function continuous.
zeros at
f(x) #C
Some nu
Theorer
2 sin x
if x < 0
unction continu-
X
nction should be
37. f(x)=
a
if x=0
bcosx if x>0
52. For fo
Does t

a cos x + 1 if x < 0
38. f(x)=sin (x) if 0≤x≤2
x²-x+b if x > 2
a√√9-x
39. f(x)=sin bx +1
x-2
if x < 0
if 0 ≤ x ≤ 3
if x > 3