Answer:
23,400
Step-by-step explanation:
Answer: x = 4
Step-by-step explanation:
Here we have a piecewise function.
One piece works for values of x such that: -6 < x < 0
And the other piece works for values of x such that: 0 < x ≤ 4
Then the domain of this function is:
D = (-6, 0) U (0, 4]
Notice that, becuse we use the symbols ><, the values of x:
x = -6
x = 0
Do not belong to this domain.
While becuase we use the symbol ≤ in the right end, the value x = 4 does belong to the domain.
Then for the given options, the only value that belongs to the domain is the third option, x = 4.
It actually depdens on which one you set for x and y
let's say that x=number of televisions sold
y=number of copmuter sold
72x+90y=profit
wants to make at least 360
72x+90y≥360
graph
one way is to find the x and y intercepts, first solve for '=' and not '≥'
x intercept, set y=0
72x=360
x=5
x intercept at (5,0)
yintercept
set x=0
90y=360
y=4
yiint at (0,4)
garph the points (5,0) and (0,4) and connect those points with aline
see witch side to graph one
is (0,0) in the solution set?
0≥360
false
it is not
shade on the side that it isn't on
we have
90x+72y≥360
that underline tells us that (0,5) and (4,0) are possible solutions
hmm
see each
the answer is A, if we do x=computers and y=TV, then D is also acceptable
answer is A
You have to listen carefully to the words.
When the situation is described, if the description says that
one amount 'IS' the other amount, or 'is equal to' the other
amount, or 'is the same as' the other amount, that's your
cue to use an equation.
But if you hear any of the phrases on this list, then it's asking
for an inequality:
-- ' more than '
-- ' bigger than '
-- ' less than '
-- ' smaller than '
-- ' not more than '
-- ' not less than '
-- ' at least '
-- ' the most '
The markup is the amount added to the price, to make up for other costs, like storage, store expenses and personnel and such.
so, if we take 46 to be the 100%, and then we slap on top of that 105% more, so the selling price is then 100% + 105% = 205%.
if 46 is 100%, what is the 205%?
