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bija089 [108]
3 years ago
5

If s(x) = 2 – x2 and t(x) = 3x, which value is equivalent to ? –439 –141 153 443

Mathematics
1 answer:
andrew11 [14]3 years ago
7 0

Answer:

The correct option is -439

Step-by-step explanation:

We have given that s(x) = 2 – x2 and t(x) = 3x. We have to find the equivalent value.

s(x) = 2 – x2

t(x) = 3x

(s o  t)(x)=s(t(x))

s(t(x)) = 2-(3x)^2 = 2-9x^2

So, now putting the value of s of t(x) as (-7) we will get the value as:

(s o t)(-7) = 2-9(-7)^2 = 2 - 9(49)

(s o t)(-7) = 2-441

(s o t)(-7) = -439

Thus the correct answer is option  A...

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