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Reika [66]
3 years ago
11

if p(x) = x2 – 1 and q(x)=5(x-1), which expression is equivalent to (p – q)(x)? a: 5(x – 1) – x2 – 1 b: (5x – 1) – (x2 – 1) c: (

x2 – 1) – 5(x – 1) d: (x2 – 1) – 5x – 1
Mathematics
2 answers:
zavuch27 [327]3 years ago
7 0
P(x) = x^2 - 1
q(x) = 5(x - 1)
(p - q)(x) = (x^2 - 1) - 5(x - 1)
Sedaia [141]3 years ago
7 0

Answer:

Option c is true.

( (p-q)(x)=(x^2-1)-5(x-1) ) .

Step-by-step explanation:

We are given:

p(x) = x^2-1 and q(x)=5(x-1).

Now we are asked to find the expression of:

(p-q)(x)

We know that the expression (p-q)(x) could also be written as:

(p-q)(x)=p(x)-q(x)

Hence, (p-q)(x)=(x^2-1)-(5(x-1))\\\\(p-q)(x)=(x^2-1)-5(x-1)

Hence option c is true i.e. the expression is:

(p-q)(x)=(x^2-1)-5(x-1)

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