Question

If p(x) = 2x + 1, then find p( -1)

Answer 1

Answer:

given- x= -1

Step-by-step explanation:

substituting value of x,

2(-1)+1 = -2+1

= -1

hope it helped

Answer 2

If p(x) = 2x + 1 then p( -1) = - 1

Given :

p(x) = 2x + 1

To find :

The value of p( -1)

Solution :

Step 1 of 2 :

Write down the given function

Here the given function is

p(x) = 2x + 1

Step 2 of 2 :

Find the value of p( -1)

p(x) = 2x + 1

Putting x = - 1 we get

$\displaystyle \sf{ p( -1) = 2 \times ( - 1) + 1 }$

$\displaystyle \sf{ \implies p( -1) = - 2 + 1 }$

$\displaystyle \sf{ \implies p( -1) = -1 }$

Hence the value of p( -1) = - 1

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