Real Life Application
Structure
Solve
Shape of Graph
100
Population of predators is likely to depend on us.
What is prey?
100

f(x) into g(x)= x+15

What is g(f(x))=(f(x))+15

100
f(x)=x^2 into g(x)=x + 7
What is g(f(x))=x^2 + 7
100
g(f(x))=x + 6
What is a linear function?
200
The best job you can get is dependant on this.
What is your education?
200
M(x) into N(x)=10 + x^2
What is N(M(x))=10 + (M(x))^2
200
M(x)=x^2 into N(x)=2x^2
What is N(M(x))=2(x^2)^2 or 2x^4
200
g(f(x))=25x^2 – 5
What is a parobala/quadratic function?
300
The revenue made on Cd sales over a period of time is dependant on this.
What is number of Cd's sold?
300
P(x) into q(x)=17x^3 - x
What is q(P(x))=17(P(x))^3 - (P(x))
300
P(x)=2x^3 into q(x)=x^3+x
What is q(P(x))=(2x^3)^3 + 2x^3 or 8x^9 + 2x^3
300
f(g(x))= 3x^3 – 4
What is a cubic function?
400

The number of votes one party gets in an election is dependant on this.

What is the number of votes the other party gets?

400

L(x) into k(x)=30x^5 - 4x^2 - x

What is k(L(x))=30(L(x))^5 - 4(L(x))^2 - (L(x))

400
L(x)=x^5 into k(x)=x^5 + x^2 - 7
What is k(L(x))=(x^5)^5 + (x^5)^2 - 7 or x^25 + x^10 - 7
400
f(g(x))=7 - 5x^4
What is a quartic function?
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