Question

Help someone pleaseee

Answer 1

see explanation

Explanation:

To calculate 2f , multiply each of the components of f by the scalar 2

To add/ subtract, add/ subtract corresponding components

(a)

2f =
`\left[\begin{array}{ccc}2(4)\\2(1)\\\end{array}\right]` =
`\left[\begin{array}{ccc}8\\2\\\end{array}\right]`

(b)

f + g =
`\left[\begin{array}{ccc}4+5\\1+3\\\end{array}\right]` =
`\left[\begin{array}{ccc}9\\4\\\end{array}\right]`

(c)

2f - g =
`\left[\begin{array}{ccc}8-5\\2-3\\\end{array}\right]` =
`\left[\begin{array}{ccc}3\\-1\\\end{array}\right]`

Answer 2

Good morning ☕️

____________________

Explanation:

Look at the photo below for the answer.

:)