Answer:
3
Step-by-step explanation:
3
Answer:
Step-by-step explanation:
42 × 48
(40 + 2) × (40 + 8)
40 × (40 + 2) = (40 × 40) + (40 × 2) = 1600 + 80 = 1680
8 × (40 + 2) = (40 × 8) + (2 × 8) = 320 + 16 = 336
Then 1680 + 336 = 2016
Three hundred eight million, fifty six thousand eight
Answer: ( X- k )(3x2 - 4x + 7) + 1
Step-by-step explanation: Please find the attached files for the solution
Answer:

Step-by-step explanation:
Given
The attached functions
Required
Find f(9)
We have:

So:


