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RSB [31]
3 years ago
6

If f(x) = x ² +1 and g(x) =3x+ 1,find [f(4)] ²

Mathematics
2 answers:
Marat540 [252]3 years ago
6 0

Answer:

289

Step-by-step explanation:

Evaluate f(4) by substituting x = 4 into f(x), that is

f(4) = 4² + 1 = 16 + 1 = 17, then

[f(4) ]² = 17² = 289

guajiro [1.7K]3 years ago
3 0

Answer:

289

Step-by-step explanation:

We don't need g at all for this.

We will need to know f(4) before continuing...

f(4) can be found by replacing x in f(x)=x^2+1 with 4:

f(4)=4^2+1

f(4)=16+1

f(4)=17

-------------------

Now let's find [f(4)]^2:

[f(4)]^2

[17]^2

17(17)

289

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