Assessment: Logarithmic and Exponential Functions
Answer every question, then submit to see your score and which topics to review.
Part A — Concept Questions
Evaluate y=4ˣ at x=2.
EasyEvaluate log₅(25).
EasyPart B — Formula & Application
Find the new horizontal asymptote of y=3ˣ+6 (compared to y=3ˣ, which has asymptote y=0).
MediumFind f'(0) for f(x)=4eˣ.
MediumPart C — Problem Solving
Find f'(0) for f(x)=3ˣ (using f'(x)=3ˣ·ln3, ln3≈1.0986). Round to 4 decimal places.
MediumFind f'(10) for f(x)=ln(x).
MediumPart D — Real-Life Application
A chemist models radioactive decay using an exponential function and needs the instantaneous rate of decay at a specific time. Which mathematical tool do they need?
MediumA biologist models bacterial population growth as P(t)=P₀×2ᵗ. What does this exponential model assume about the population's growth pattern?
MediumPart E — Challenge
If log_b(x)=3 and b=4, find x.
HardFind f'(1) for f(x)=eˣ+ln(x). (e≈2.71828) Round to 2 decimal places.
Hard0/10 answered