1
Q
How do you evaluate a limit using a graph
A
Look at y value the graph approaches as x approaches given number
2
Q
What is the constant rule for limits
lim[cf(x)] =
x ~>
A
C * lim f(x)
x~>a
3
Q
Why does the limit of a constant function equal the constant
A
Because the function value never changes
4
Q
Evaluate
lim 7
x~>5
A
7
5
Q
What is the limit of a constant function
f(x)=c
as x~>a
A
lim C = C
x~>a
6
Q
A
7
Q
Evaluate
lim x^3
x~>2
A
2^3 =8
8
Q
How do you evaluate limit of a power function
lim x^n
x~>a
A
Sub x=a
lim x^n = a^n
x~>a
Math
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