Answer:
there is two terms. 3x^4 and 2y)^7
please mark as brainliest
He lived 9 months in Portugal and 5 months in Brazil. This is because 130*9 + 150*5 = 1920.
Answer:
![\left[\begin{array}{ccc}1&\frac{3}{4}\\2&\frac{9}{16}\\3&\frac{27}{48}\\4&\frac{81}{144}\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%26%5Cfrac%7B3%7D%7B4%7D%5C%5C2%26%5Cfrac%7B9%7D%7B16%7D%5C%5C3%26%5Cfrac%7B27%7D%7B48%7D%5C%5C4%26%5Cfrac%7B81%7D%7B144%7D%5Cend%7Barray%7D%5Cright%5D)
Step-by-step explanation:

It is basically substituting the numbers in the function.
For 1, it will be




Same for the rest.