MATHEMATICS HIGH SCHOOL

Given the function rule f(x)= x^-2 - 4x + 3, what is the output of f(-3)?A. 24
B. 21
C. 0
D. -3

Answers

Answer 1

Answer:

Answer:

f(-3) = 15,111111

Step-by-step explanation:

In order to find out f(-3), we need to substitute x with -3.

Since f(x)= x^-2 - 4x + 3,

f(-3) = (-3)^-2 -4(-3) + 3

f(-3) = 1/9 + 12 + 3

f(-3) = (1 + 108 + 27) / 9

f(-3) = 136 / 9

f(-3) = 15,111111

Answer 2

Answer: input -3 for x
f(-3)=(-3)^2-4(-3)+3
f(-3)=9+12+3
F(-3)=24

A

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Solve: −7/3a+4=47/3

What is A
I will give extra points to who gets this right also will give brainliest

Answers

Answer:

a= -5

Step-by-step explanation

PEMDAS

Each month, Angela budgets $1340 for fixed expenses, $850 for living expenses, and $60 for annual expenses. Her annual net income is $26,760. Whichsentence best describes her monthly budget
a. it shows a deficit of $20
b. it shows a surplus of $20
c. it shows a deficit of $140
d. it is balanced

Answers

Her monthly budget is in balance. She is not in a deficit.

Annual budget calculation:

Annual budget $=\$26,760= \$1340$

Monthly fixed costs $= \$1340$

Yearly fixed costs $=(1340* 12) =\$16,080$

Monthly living expenses are $= \$850$

Yearly living expenses $= (850* 12)= \$10,200$

Annual expenditures $= \$60$

Add all of your expenses together.

$\to 16,080+10,200+60= \$26340$

As a result, her monthly budget is in balance. She is not in a deficit.

Therefore, the final answer is "Option d".

Find out more information about the annual expenses here:

brainly.com/question/26383826

Yearly budget= $26,760

Fixed expenses per month= $1340
Fixed expenses per year (1340×12) =$16,080

Living expenses per month= $850
Living expenses per year (850×12)= $10,200

Annual expenses= $60

Add ALL the expenses together.
16,080+10,200+60= £26340

Therefore her monthly budget is balanced. Shes not in deficit.

D

My brain doesn't feel like working today ;-;

I just need the equation, not the answer

Answers

Answer:

area = lengh x width is that enough of the formula? :D

Step-by-step explanation:

I'll give you the rest, just in case :P My brain got tired at the break before spring, here is the rest

400 = (L+30) X w

400 = 10+30 x 10 ( just b/c I can see 40 x 10 would be 400, calculus could also figure this out for us, but... that would be the minimum fencing he needs to buy and this questions isn't asking that, just make it fit on the back of his house, which we are not given, so just make up something, I used 10 b/c it was convenient )

400 = 40 x 10

2 sides are 40 , and one side is 10

so 90' of fence is needed

Solve the inequality. q + 12 – 2(q – 22) > 0

Answers

Step 1. Expand

q + 12 - 2q + 44 > 0

Step 2. Simplify q + 12 - 2q + 44 to -q + 56

-q + 56 > 0

Step 3. Regroup terms

56 - q > 0

Step 4. Subtract 56 from both sides

-q > -56

Step 5. Multiply both sides by -1

q < 56

Ally is making a scale diagram of her classroom. She uses a scale factor of 3 centimeters per foot to draw the diagram. The actual length of the classroom is 18 feet, and its width is 20 feet. What is the area of the scale drawing of the classroom?