Answer: 2,243.4
Step-by-step explanation:
Wen you deduct an amount from something
Since we know the value for c and d we just plug them into the equation which will look like this. 6•5^2-5•4+8
Answer: 138
Well this is a little tricky.. But my guess would be: <span>y = (-1.4, 2.5)</span>