- F(m)=2m²-10m. If F(66)=18b, find all values if b
- X∆y=3x-2y+xyz If 4∆5=100, find the value of 8∆10
- m=3m³-8 If 4g-18, find the value of g
- Sales is a function of price such that: S(p)=4p²-80+c When the sales is $60,000 price is 10. Find the sales when the price is 20.
