MATHEMATICS HIGH SCHOOL

Plz help this is due rn. Question is below!

Answers

Answer 1

Answer: The answer is -5 i think?

Answer 2

Answer:

Answer:

if its sub it would be 20-5=15

but if its divid it will be 20/5=4

Step-by-step explanation:

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Find the indicated limit, if it exists. (2 points) limit of f of x as x approaches 5 where f of x equals 5 minus x when x is less than 5, 8 when x equals 5, and x plus 3 when x is greater than 5

Answers

It looks like we have

$f(x)=\begin{cases}5-x&\text{for }x<5\n8&\text{for }x=5\nx+3&\text{for }x>5\end{cases}$

and we want to find $\lim\limits_(x\to5)f(x)$ .

Since $x$ is approaching 5, we don't care about the value of $f(x)$ when $x=5$ .

We do care about how $f(x)$ behaves to either side of $x=5$ . If $x\to5$ from below, then $f(x)=5-x$ , so that

$\displaystyle\lim_(x\to5^-)f(x)=\lim_(x\to5)(5-x)=5-5=0$

On the other hand, if $x\to5$ from above, then $f(x)=x+3$ , so that

$\displaystyle\lim_(x\to5^+)f(x)=\lim_(x\to5)(x+3)=5+3=8$

The one-sided limits do not match, since 0 ≠ 8, so the limit does not exist.

What is the answer to 1 plus 8

Answers

Answer:

Step-by-step explanation:

;-;

Answer:

the answer to your question is 9

Step-by-step explanation:

1+(1+1+1+1+1+1+1+1)=9

Simplify the expression above

Answers

Answer:

2x²

Step-by-step explanation:

Answer:

11y-5

Step by step:

X^2-8x^2+7x^2=0

x+x-2x=0

3-8=-5

2y+9y=11y

Use the fundamental identities to simplify the expression. There is more than one correct form of the answer.7 sec^2 x(1 − sin^2 x)

Answers

The fundamental identities that are useful are

Pythagorean relations: cos^2 x + sin^2 x = 1
Inverse trigo identity: cos x = 1/secx

Applying the pythagorean theorem, the equation would be:
7sec^2 x(cos^2 x)
Then applying the inverse trigo identity, the answer would be 7.

Thus, the final answer is 7.

I need help on these thanks

Answers

Answer:

See below

Step-by-step explanation:

#1

Line passes through the origin and has same x and y coordinate pairs,

The line is:

y = x

#2

Points:

(0, 3), (6, 1)

The slope is:

m = (1 - 3)/6 = -2/6 = -1/3

The line is:

y = -1/3x + 3

#3

Points:

(-1, 5), (0,1)

The slope:

m = (1 - 5)/(0 + 1) = - 4

The line is:

y = -4x + 1

Choose the equation below that represents the line passing through the point (−5, 1) with a slope of three halves.

Answers

point slope
y-y1=m(x-x1) where slope=m and you are given the point (x1,y1)

slope=3/2
point is (-5,1)
y-1=(3/2)(x+5)
if you wan in slope intercept
distribute
y-1=3/2x+15/2
add 1
y=3/2x+17/2

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