MAT1501
ASSIGNMENT 2
2025
, SECTION A
QUESTION 1
1.1).
TRUE
1.2).
FALSE
CORRECT STATEMENT:
lim(f(x) − g(x)) = lim f(x) − lim g(x)
x→a x→a x→a
1.3).
FALSE
CORRECT STATEMENT:
f(x) lim f(x)
lim ( ) = x→a
x→a g(x) lim g(x)
x→a
1.4).
TRUE
1.5).
FALSE
, CORRECT STATEMENT:
n
lim f(x)n = (lim f(x))
x→a x→a
QUESTION 2
2.1).
lim(x 3 + 2)(x 2 − 5x) = (lim(x 3 + 2)) ∙ (lim(x 2 − 5x))
x→3 x→3 x→3
= (33 + 2) ∙ (32 − 5(2))
= (29) ∙ (−6)
= −174
2.2).
|x + 4|
lim − ( )
x→−4 x+4
For x < 4:
|x + 4| = −(x + 4)
|x + 4| −(x + 4)
lim − ( ) = lim − ( )
x→−4 x+4 x→−4 x+4
= lim − (−1)
x→−4
= −1
ASSIGNMENT 2
2025
, SECTION A
QUESTION 1
1.1).
TRUE
1.2).
FALSE
CORRECT STATEMENT:
lim(f(x) − g(x)) = lim f(x) − lim g(x)
x→a x→a x→a
1.3).
FALSE
CORRECT STATEMENT:
f(x) lim f(x)
lim ( ) = x→a
x→a g(x) lim g(x)
x→a
1.4).
TRUE
1.5).
FALSE
, CORRECT STATEMENT:
n
lim f(x)n = (lim f(x))
x→a x→a
QUESTION 2
2.1).
lim(x 3 + 2)(x 2 − 5x) = (lim(x 3 + 2)) ∙ (lim(x 2 − 5x))
x→3 x→3 x→3
= (33 + 2) ∙ (32 − 5(2))
= (29) ∙ (−6)
= −174
2.2).
|x + 4|
lim − ( )
x→−4 x+4
For x < 4:
|x + 4| = −(x + 4)
|x + 4| −(x + 4)
lim − ( ) = lim − ( )
x→−4 x+4 x→−4 x+4
= lim − (−1)
x→−4
= −1