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Margaret [11]
3 years ago
5

Please help! It's due soon.

Mathematics
1 answer:
Sedbober [7]3 years ago
6 0

Answer:

Because f(g(x)) = g(f(x)) = x, f and g <u>are </u> inverse functions.

Step-by-step explanation:

f(g(x)) = f(\frac{1}{4}\sqrt{x}) = 16(\frac{1}{4}\sqrt{x} ) ^{2} = 16(\frac{1}{16}x)=x

g(f(x)) = g (16x^{2}) = \frac{1}{4}\sqrt{16x^{2} } = \frac{1}{4}(4x) = x

You might be interested in
Abdul's average speed is 30 mph in heavy traffic, and his average speed is 60 mph in light traffic. If he was in heavy traffic f
azamat

Answer:

210

Step-by-step explanation:

add 30 with 60 multiplied by 3

4 0
2 years ago
Simplify the expression<br> 1 point<br><br> 3² x 4+5<br><br> 29<br> 54<br> 41<br> 81
Yuri [45]

3*3*4+5=9*4+5=36+5=41

3 0
4 years ago
Nvm bro i got the answer
KIM [24]
Ok and have a nice day
6 0
3 years ago
20 points!!!!!!!
castortr0y [4]
See the attached figure to better understand the problem
let
L-----> length side of the cuboid
W----> width side of the cuboid
H----> height of the cuboid

we know that
One edge of the cuboid has length 2 cm----->  <span>I'll assume it's L
so
L=2 cm
[volume of a cuboid]=L*W*H-----> 2*W*H
40=2*W*H------> 20=W*H-------> H=20/W------> equation 1

[surface area of a cuboid]=2*[L*W+L*H+W*H]----->2*[2*W+2*H+W*H]

100=</span>2*[2*W+2*H+W*H]---> 50=2*W+2*H+W*H-----> equation 2
substitute 1 in 2
50=2*W+2*[20/W]+W*[20/W]----> 50=2w+(40/W)+20
multiply by W all expresion
50W=2W²+40+20W------> 2W²-30W+40=0

using a graph tool------> to resolve the second order equation
see the attached figure

the solutions are
13.52 cm x 1.48 cm
so the dimensions of the cuboid are
2 cm x 13.52 cm x 1.48 cm
or
2 cm x 1.48 cm x 13.52 cm

<span>Find the length of a diagonal of the cuboid
</span>diagonal=√[(W²+L²+H²)]------> √[(1.48²+2²+13.52²)]-----> 13.75 cm

the answer is
 the length of a diagonal of the cuboid is 13.75 cm



4 0
3 years ago
PLEASE HELP!! Is the discriminant of f positive,zero, or negative
GalinKa [24]

Answer:

positive

Step-by-step explanation:

The discriminant is positive

If there are 2 real roots ( where it crosses the x axis), then the discriminant is positive

7 0
3 years ago
Read 2 more answers
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