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A.23 B.27 C.31 D.40
add 8x - 13 + x - 9 then solve for x by substituting 5
8(5) - 13 + (5) - 9
Could you help me with one more?
Tablets are on sale for 15% off the original price (t), which can be expressed with the function p(t) = 0.85t. Local taxes are an additional 8% of the discounted price (p), which can be expressed with the function c(p) = 1.08p. Using this information, which of the following represents the final price of a tablet with the discount and taxes applied based on its original price?
c[p(t)] = 0.918t c(p) + p(t) = 1.93t c(p) ⋅ p(t) = 0.918pt t[c(p)] = 1.93p
I dont understand this at all.
yeah i'm not sure
nengeni you know?
Given the following functions f(x) and g(x), solve f[g(6)] and select the correct answer below: f(x) = 6x + 12 g(x) = x − 8
−96 0 24 48
okay this is super easy you got this since (g(6)) is in parentheses, you solve that first plug in 6 for x in the function g(x) g(x) = 6 - 8
the answer you get from that is what you plug into the function f(x) as x
So i plug in -2 for X?
So my answer is 0 :D
yes, f(x) = 6(-2) + 12
Thank you so much can you help me with a few more like that?
sure post them
Alright awesome Given the following functions f(x) and g(x), solve (f ⋅ g)(3) and select the correct answer below: f(x) = 4x2 + 12 g(x) = x − 1
47 −47 96 −96
is it \[4x^2 + 12\]
aight. expanded out, this would be written as (4(3)^2 + 12)*(3 - 1)
So do i solve for that expanded form?2
start with 4(3)^2 + 12
follow order of operations, once you get an answer, multiply it by (3-1)
Oh wait sorry XD
i did 4*3^2
order of operations : parentheses, exponents, multiplication
yes so square 3 and then multiply
Thats my answer o-o
Awesome another one if thats fine by you
Given the functions k(x) = 5x − 8 and p(x) = x − 4, solve k[p(x)] and select the correct answer below.
k[p(x)] = 5x − 12 k[p(x)] = 5x − 28 k[p(x)] = 5x2 − 12 k[p(x)] = 5x2 − 28
what k[p(x)] means is: substitute the function p(x) as x in the function k(x)
I dont understand o-o
5(x - 4) - 8 you see how the function p(x) acts as x in the function k(x)?
distribute first and then solve
Given the following functions f(x) and g(x), solve f over g (−5) and select the correct answer below: f(x) = 2x − 20 g(x) = x − 1
−5 5 one sixth 30
one sixth = 1/6
Thank you :)
i actually have to leave but if you have anymore questions open up a new thread and i'm sure you'll get answers
alright thanks :) have a great rest of your day