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snow_tiger [21]
3 years ago
15

If f(x) = 5x, what is f^–1(x)?

Mathematics
1 answer:
EleoNora [17]3 years ago
3 0
1/5 would be the correct one. 
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Bob and mark talk about their families. Bob says he has 3 kids, the product of their ages is 72. He gives another clue: the sum
taurus [48]
I can only give possible combinations of the ages. This is because only the product is given. Had the sum of all ages been given, possible combinations would boil down into 1 combination.

3 kids with a youngest. This means that the ages are not the same.
We do prime factorization to get the age combination.

72 ÷ 2 = 36
36 ÷ 2 = 18
18 ÷ 2 =   9
  9 ÷ 3 =   3
  3 ÷ 3 =   1

1 x 2 x 2 x 2 x 3 x 3 = 72

Possible combination with no repeating number.

1 x 8 x 9 = 72
2 x 4 x 9 = 72
4 x 6 x 3 = 72
1 x 6 x 12 = 72
4 0
3 years ago
The value of 21b - 32 + 7 b - 20 b is​
Aleonysh [2.5K]
8b - 32

Hope it’s right
Best luck with your studying
6 0
3 years ago
Read 2 more answers
Determine the slope of the line that has the following coordinates: (1.5, 6) (3.75, -12)
mrs_skeptik [129]

Answer:

= -18/2.25

Step-by-step explanation:

We can find the slope by using the following

m = (y2-y1)/(x2-x1)

   = (-12-6)/(3.75 - 1.5)

   = -18/2.25

 

7 0
3 years ago
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Someone plz help me
Paul [167]

Answer:

keegan is correct

the answer is B

8 0
3 years ago
Identify an equation in point-slope form for the line perpendicular to
Zigmanuir [339]

Answer:

perp. : 1/3= m

y + 8 = 1/3(x -4): answer is c

y + 24/3 = (1/3)x - 4/3

y = (1/3)x - 28/3

Step-by-step explanation:

answer is c

8 0
3 years ago
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