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Activity: Find the domain and range of the rational functions x2-3x-4 3x2-8x-3 1. f(x) = 2x2+7x-4 2. f(x) = X+4.​

Sagot :

Calculation:

Equation is linear and have one solution:

-95x-3=0

x=-0.0315789473684

Solution:

The equation has the following integer solutions:

f*(x) = 2*x*2+7*x-4

Number of solutions found: 6

f₁=7; x₁=1

f₂=9; x₂=2

f₃=10; x₃=4

f₄=12; x₄=-4

f₅=13; x₅=-2

f₆=15; x₆=-1

 

The equation has the following integer solutions:

f*(x) = X+4

The number of solutions found is too large  

X₅₀₀=-1, f₅₀₀=-3, x₅₀₀=48