exam
Maths Puzzle
Numerical Ability
R(X)=360x-1.20x2
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exam Other Question
4. The line
y=0.15x+0.79
represents an estimate of the average cost of gasoline for each year. The line
0.11x-y=-0.85
estimates the price
This one stumps me and the book if NO help, no examples
given that (3x-a)(x-2)(x-7)=3x^3-32x^2+81x-70, determine value of a????
I had no idea where to start.