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3 years ago

Consider the function f(x)=−34x+2f(x)=−34x+2 . What is f(4)f(4)?

Mathematics

2 answers:

dimaraw [331]3 years ago

6 0

The answer is x=-134

zlopas [31]3 years ago

4 0

The answer would be x=-134

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Find and sketch the domain of the function. f(x,y)=√(4-x^2-y^2) +√(1-x^2)<br>

elena55 [62]

Answer:

Hello

Step-by-step explanation:

The domain is limited with 2 lines parallel: -1 ≤ x ≤ 1

and the disk ? (inside of a circle) of center (0,0) and radius 2

$dom\ f(x,y)=\{(x,y) \in \mathbb{R} ^2 | \ -1\leq x \leq -1\ and \ ( -\sqrt{4-x^2} \leq \ y \leq \sqrt{4-x^2}\ ) \ \}\\$

3 0

2 years ago

Solve the following:<br> a) 4x-3 = 2x + 7<br><br> b)<br> 2x+6=7x14

Igoryamba

$\huge \qquad \qquad \sf \underline{Answer}$

$\textbf {Let's Solve :}$

<h3>Question 1 :</h3>

$\textsf{4x - 3 = 2x +7}$

$\textsf{4x -2x = 3 +7}$

$\textsf{2x = 10}$

$\textsf{x=5}$

<h3>Question 2 :</h3>

$\sf{2x + 6 = 7 \times 14}$

$\sf{2x + 6 = 98}$

$\sf{2x = 98-6}$

$\sf{2x = 92}$

$\sf{x=46}$

6 0

2 years ago

(1+tanx)/(sinx+cosx)=secx

jek_recluse [69]

$\frac{1+\tan x}{\sin x+\cos x}=\sec x$ is proved

<h3><u>Solution:</u></h3>

Given that,

$\frac{1+\tan x}{\sin x+\cos x}=\sec x$ ------- (1)

First we will simplify the LHS and then compare it with RHS

$\text { L. H.S }=\frac{1+\tan x}{\sin x+\cos x}$ ------ (2)

$\text {We know that } \tan x=\frac{\sin x}{\cos x}$

Substitute this in eqn (2)

$=\frac{1+\frac{\sin x}{\cos x}}{\sin x+\cos x}$

On simplification we get,

$=\frac{\frac{\sin x+\cos x}{\cos x}}{\sin x+\cos x}$

$=\frac{\sin x+\cos x}{\cos x} \times \frac{1}{\sin x+\cos x}$

Cancelling the common terms (sinx + cosx)

$=\frac{1}{c o s x}$

We know secant is inverse of cosine

$=\sec x=R . H . S$

Thus L.H.S = R.H.S

$\frac{1+\tan x}{\sin x+\cos x}=\sec x$

Hence proved

5 0

3 years ago

Simplify completely quantity 6 x minus 12 over 10.

Natali [406]

Hey!
So we have 6 multiplied by -12 and that is over 10
so we are multiplying a positive number by a negative number. When you do that the answer will be a negative number.
Now we have -72/10
we can simplify that more
divide the numerator and denominator by 2 because that is the largest number that is divisible by both number
now it is -36/5
The answer is -36/5
Hope this helps!

8 0

3 years ago

Point Mis the midpoint of AB. AM = 3x + 3, and AB= 83 – 6.

Ber [7]

Answer:

AM= Half of AB

or, 3x+3=(8x-6)/2

or, 6x+6=8x-6

or, 2x=12

Therefore,x=6

so,AM=3*6+3=21

So the units is 21

4 0

3 years ago

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