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Which of the following functions are written using function notation?

g (x) = 5x + 2

y =

1

x

h = x2

r (x) =

x

f/x = x5 - 3

b (x) =

1

2

x3

p/x = - 7x

k (x) = -

3

x + 1

y = mx + b

fx = - x3 + 4

g (x) = 5x + 2.

r (x) = x

b (x) = 1/2 x³

k (x) = - 3 x + 1

Step-by-step explanation:

The function notation ⇒ it is the form to write the function, It is meant to be a precise way of giving information about the function, like f (x), v (x) and so on.

Given the following:

g (x) = 5x + 2.

y = 1 x

h = x²

r (x) = x

f/x = x⁵ - 3

b (x) = 1/2 x³

p/x = - 7x

k (x) = - 3 x + 1

y = mx + b

fx = - x³ + 4

So, in the given options the following are in function notations:

g (x) = 5x + 2.

r (x) = x

b (x) = 1/2 x³

k (x) = - 3 x + 1