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3 years ago

HHHHHHHHHHHHHHHHHHEEEEEEEEEEELLLLLLLLLLLLLLPPPPPPPPPPPPPP

Mathematics

1 answer:

Sidana [21]3 years ago

8 0

Answer:

Step-by-step explanation:

y = 3/4x + 2 slope: 3/4

perpendicular line slope: - 4/3

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How to integrate cos^-2x . Question from Alevel Pure Maths 3

VashaNatasha [74]

Answer:

I do think I can answer this

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3 years ago

PLEASE HELP QUICKLY: (FIRST ANSWER GETS BRAINLIEST)

kodGreya [7K]

Answer:

Buy the batteries and stereo online:

4.99*2= $9.98 +$90 = $99.98

6.99-5.00 = $1.99

99.98+1.99=$101.97

3Cds in store

7.97*3= $23.85

5% tax = 1.19

10% off = 2.39

$23.85 - $1.19= $22.66

22.66 + 101.97= $124.63

All in store:

12+100+23.85= 135.85 - 6.45 = $129.40

All online:

9.98 + 90 + 26.85= 126.85 +$1.99 = 128.84

(CREDIT: Hussain514)

8 0

3 years ago

The one-to-one functions g and h are defined as follows

Debora [2.8K]

Answer:

$g^-^1(x)=-8$

$h^-^1(x)=\frac{x-4}{3}$

$(h^-^1 \ o\ h)(-3)=-3$

Step-by-step explanation:

When given the following functions,

$g=[(-2,-7),(4,6),(6,-8),(7,4)]$

$h(x)=3x+4$

One is asked to find the following,

1. Question 1

$g^-^1(4)$

When finding the inverse of a function that is composed of defined points, one substitutes the input given into the function, then finds the output. After doing so, one must substitute the output into the function, and find its output. Thus, finding the inverse of the given input;

$g^-^1(4)$

$g(4)=6\\g(6)=-8\\g^-^1(4)=-8$

2. Question 2

$h^-^1(x)$

Finding the inverse of a continuous function is essentially finding the opposite of the function. An easy trick to do so is to treat the evaluator (h(x)) like another variable. Solve the equation for (x) in terms of (h(x)). Then rewrite the equation in inverse function notation,

$h(x)=3x+4\\\\h(x)-4=3x\\\\\frac{h(x)-4}{3}=x\\\\\frac{x-4}{3}=h^-^1(x)$

$h^-^1(x)=\frac{x-4}{3}$

3. Question 3

$(h^-^1 \ o\ h)(-3)$

This question essentially asks one to find the composition of the function. In essence, substitute function (h) into function ( $h^-^1$ ) and simplify. Then substitute (-3) into the result.