Question

(matching type) given f(x)= x+4 and g(x) = 2x + 1 match the expression to its simplication operation

choose


x+4 / 2x+1

Answer 1

Choose...

f of g

f/g

f - g

f∙g

g/f

f + g

2x+1 / x+4

Answer 2

Choose...

f of g

f/g

f - g

f∙g

g/f

f + g

3x + 5

Answer 3

Choose...

f of g

f/g

f - g

f∙g

g/f

f + g

2x + 5

Answer 4

Choose...

f of g

f/g

f - g

f∙g

g/f

f + g

-x + 3

Answer 5

Choose...

f of g

f/g

f - g

f∙g

g/f

f + g

2x2 + 9x + 12



pa help po

Answer 1

1)
`h(x) = (f(x))/(g(x))`, 2)
`h(x) = (g(x))/(f(x))`, 3)
`h(x) = f(x) + g(x)`, 4)
`h (x) = f [g (x)]`, 5)
`h(x) = f(x) - g(x)`

Explanation:

1) Let be
`f(x) = x + 4` and
`g(x) = 2\cdot x + 1`, if
`h (x) = (x+4)/(2\cdot x + 1)`, then:

`h(x) = (f(x))/(g(x))`

2) Let be
`f(x) = x + 4` and
`g(x) = 2\cdot x + 1`, if
`h(x) = (2\cdot x + 1)/(x+4)`, then:

`h(x) = (g(x))/(f(x))`

3) Let be
`f(x) = x + 4` and
`g(x) = 2\cdot x + 1`, if
`h(x) = 3\cdot x + 5`, then:

`h(x) = 3\cdot x + 5`

`h (x) = (1 + 2)\cdot x + (4+1)`

`h(x) = x + 2\cdot x + 4 +1`

`h(x) = (x+4) + (2\cdot x + 1)`

`h(x) = f(x) + g(x)`

4) Let be
`f(x) = x + 4` and
`g(x) = 2\cdot x + 1`, if
`h(x) = 2\cdot x + 5`, then:

`h(x) = 2\cdot x + 5`

`h(x) = 2\cdot x + 1 + 4`

`h(x) = (2\cdot x +1)+4`

`h (x) = f [g (x)]`

5) Let be
`f(x) = x + 4` and
`g(x) = 2\cdot x + 1`, if
`h(x) = -x + 3`, then:

`h(x) = -x + 3`

`h(x) = (1 - 2)\cdot x + 4 - 1`

`h(x) = x - 2\cdot x + 4 - 1`

`h(x) = x + 4 - (2\cdot x + 1)`

`h(x) = f(x) - g(x)`