

Pdf solutions for the 8 videos:
The Exponential Function
Here are 8 videos that present secondary 5 SN math exercises related to the exponential function.
Video 1
Rule from a table of values.
Find the rule of an exponential function from a table of values. Asymptote: y = 0.

Video 2
Rule from a table of values and an asymptote different from 0.
Find the rule of an exponential function from a table of values. Asymptote: y = -0.25.

Video 3
Population of bacteria
Find out how long after there will be 2 million bacteria if there were initially 100 and their number triples every 45 minutes.

Video 4
Solve an equation
Exponential function.
Solve the equation.

Video 5
Solve an inequation.
Exponential function.
Solve the inequality.

Video 6
Solve an inequation.
Exponential function.
Solve the inequality.
Sign inversion (division/multiplication by a negative number).

Video 7
Find the rule of the exponential function.
Find the rule of an exponential function from different information:
- Asymptote
- Ordinate at the origin
- Point on the curve

Video 8
Study the function.
Study the function.
Find zero(s), asymptote, y-intercept, domain, co-domain, extrema, increase, decrease and sign.
Make a sketch of the graphic.

