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Lady_Fox [76]
3 years ago
15

Which represents the inverse of the function f(x) = 4x?

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
7 0

Answer:

{f}^{ - 1} (x) =  \frac{1}{4} x (last/fourth option)

Step-by-step explanation:

f(x) = 4x

y = 4x

x = 4y

4y = x

\boxed{\green{{f}^{ - 1} (x) =  \frac{1}{4} x}}

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If a toy truck is created in a 2:9 scale, and the wheel of the toy is 14cm wide, how wide is the actual wheel?
lesya [120]

Answer:63 cm

Step-by-step explanation:

Given

The scale of creation is 2:9

The width of the toy wheel is 14 cm

Suppose x is the actual width of the truck

\therefore \dfrac{2}{9}=\dfrac{14}{x}\\\\\Rightarrow x=\dfrac{9}{2}\times 14=63\ cm

Thus, the width of actual truck is 63 cm

8 0
3 years ago
A scuba diver swam 96 feet beneath the surface of the lake.he then climb up 49 feet .wat is the depth now?
lakkis [162]

Answer:

The depth now is 47 feet below the surface of the lake

Step-by-step explanation:

Step 1: Determine initial depth

Initial depth=surface level-depth below surface

where;

Surface level=0, since its the point of reference

depth below surface=96 feet

replacing;

Initial depth=(0-96)=-96 feet

Step 2: Final depth

Final depth=Initial depth+distance covered

where;

Initial depth=-96 feet

distance covered=+49 feet since the scuba driver moves towards the surface

replacing;

distance covered=-96+49=-47 feet

The depth now is 47 feet below the surface of the lake

5 0
3 years ago
Can someone please answer this I have been having trouble with this question all day.
Degger [83]

Answer:

The answer is  right - male - 63     Left - male - 5

left - female - 7    right - female - 34

Step-by-step explanation:

68 -63 = 5

12 - 5 = 7

109 - 96 = 13

3 0
3 years ago
1. The description "Y is 4 more than the opposite of X" is represented by
Vladimir [108]
I believe it is y= -x + 4
4 0
3 years ago
PLS HELP ME I NEED HELP ITS DUE RN
lina2011 [118]

Answer:

Step-by-step explanation:

It's 4

3 0
3 years ago
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