Question

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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

Answer 1

g(x) = 5x + 2.

r(x) = x

b(x) = 1/2 x³

k(x) = - 3 x + 1

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