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swat32
3 years ago
5

PLEASE HELP ME!!!

Mathematics
1 answer:
Artemon [7]3 years ago
5 0
This is a VERY long question XD
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Find the value of f(4) for the function
cluponka [151]

Answer:

f(4) = 7

Step-by-step explanation:

The notation for these type of problems is very confusing. Just remember that f(x) is the same thing as y (or some variable). Even if there is a number or something on the inside of the parentheses, it's still just a variable.

In our case

f(a) = 2(a + 4) -9

could be rewritten as

y = 2(a + 4) - 9

the thing on the inside of the parentheses signifies what the equation is dependent on.

so when is says f(4), it just want's you to trade out a for a 4, but the equation is still the same.

f(4) = 2((4) + 4) - 9

Now, just follow the order of operations

f(4) = 2(8) - 9

f(4) = 16 - 9

f(4) = 7

8 0
2 years ago
A taxi charges a flat rate of $3.00 plus $1.50 per mile. If Xander has $45.00, which inequality represents m, the distances in m
son4ous [18]

Answer:

  m less-than-or-equal-to 28

Step-by-step explanation:

Xander's charge for m miles will be (3 +1.50m). He wants this to be no more than $45, so ...

  3 +1.50m ≤ 45

  1.50m ≤ 42 . . . . . . subtract 3

  m ≤ 28 . . . . . . . . . .divide by 1.5

7 0
3 years ago
Read 2 more answers
What us the value of (-7+3i)-(2-6i)<br><br>a. -9+9i<br>b.-9-3<br>c.-5-3i<br>d.-5+9i
WITCHER [35]
The answer is A. -9+9i
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3 years ago
Currency is used to ?
amid [387]
Pretty much trade. You give vendor money or currency in return they give you the thing you paid for.
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200 ounces = __________ lbs __________ oz<br> Brainliest is guarrenteed
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Answer:

lbs= 12.5 oz=3200

Step-by-step explanation:

5 0
2 years ago
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