I'm really confused on this question. Could you help me? (First time using this site by the way)
The question is: use the function rule f(x) = 3x - 2. Fine output: f(1.5)
Can you please explain how I get this?
Ms. Sue or someone please? :/
Is it 2.5? You do: 1.5x3-2?
It is indeed.
Since f(x) = 3x-2
for f(1.5), everywhere you see an x, replace it with 1.5 and then do the math.
Ah yeah. That's makes sense.
Could you help me with one more? I cannot figure it out...
Find the first four terms of the sequence represented by the expression: 3n+5
just substitute in 1,2,3,4,... for n
3*1+5 = 8
3*2+5 = 11
3*3+5 = 14
3*4+5 = 17
Or, just start with 8 and keep adding 3 for the next terms.
Of course! I'd be happy to help you.
To find the output, or the value of f(1.5), you need to substitute the given value, 1.5, into the function rule f(x) = 3x - 2.
To do this, simply replace the "x" in the function rule with the given value, 1.5:
f(1.5) = 3(1.5) - 2
Now, we can solve this expression to find the output.
Multiplying 3 by 1.5 gives us:
f(1.5) = 4.5 - 2
Subtracting 2 from 4.5, we get:
f(1.5) = 2.5
Therefore, the output of the function f(1.5) is 2.5.