3 years ago

If f(x) =x-1, what is f(9)

Mathematics

1 answer:

katen-ka-za [31]3 years ago

4 0

Answer:

f(9) = 8

Step-by-step explanation:

Step 1: Define

f(x) = x - 1

f(9) is x = 9

Step 2: Substitute and Evaluate

f(9) = 9 - 1

f(9) = 8

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Step-by-step explanation:

You have to add 4 numbers.

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= 8 + 4

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3 years ago

The vertex of a function is (-3, 0) and is a minimum. What is the axis of symmetry and how is it determined?

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2 years ago

5. Find the value of x.

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Answer:

x = 70

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3 years ago

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3 years ago

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Find the values of x when y=1

kirill [66]

Answer:

$x=1+\sqrt{5}, 1-\sqrt{5}$

Step-by-step explanation:

$x^{2} -2x-4=0$
$(x-1)^{2} -1-4=0$
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FINAL ANSWER

$x=1+\sqrt{5} , 1-\sqrt{5}$

In Decimal Form (Rounded to 3 significant figures)

x≈-1.24, 3.24

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3 years ago

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