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4 years ago

11

Trudy's taxable income last year was $99,650. According to the tax table below, how much tax does she have to pay if she files w

ith the Single status?
A.17,281
B.17,294
C.21,692
D.21,615

2 answers:

Snezhnost [94]4 years ago

3 0

From the tax table given, we can determine that if someone declares to be single and earns a taxable amount of $99,650, the percent tax that someone should be paying is $21,615.

Hence, the answer to this is equal to $21,615. This is the last among the choices.

dezoksy [38]4 years ago

3 0

Apex Answer:

$21,692

I don't have an explanation as to why this is correct and the "Verified" answer is wrong, but I am doing this problem as I type this out and the answer is the one above.

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Please help me. You can explain it if you need to.

ASHA 777 [7]

Answer:

(0,-4) (-8,0)

Step-by-step explanation:

x = 0, y = -4

y=0, x = -8

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3 years ago

What is 1+7-4(8-9) no links or scams

Lena [83]

Answer: =12

Step-by-step explanation: Hope this help :D

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3 years ago

Find the derivative of f(x) = 12x^2 + 8x at x = 9.

zvonat [6]

Answer:

224

Step-by-step explanation:

We will need the following rules for derivative:

$(f+g)'=f'+g'$ Sum rule.

$(cf)'=cf'$ Constant multiple rule.

$(x^n)'=nx^{n-1}$ Power rule.

$(x)'=1$ Slope of y=x is 1.

$f(x)=12x^2+8x$

$f'(x)=(12x^2+8x)'$

$f'(x)=(12x^2)'+(8x)'$ by sum rule.

$f'(x)=12(x^2)+8(x)'$ by constant multiple rule.

$f'(x)=12(2x)+8(1)$ by power rule.

$f'(x)=24x+8$

Now we need to find the derivative function evaluated at x=9.

$f'(9)=24(9)+8$

$f'(9)=216+8$

$f'(9)=224$

In case you wanted to use the formal definition of derivative:

$f'(x)=\lim_{h \rightarrow 0} \frac{f(x+h)-f(x)}{h}$

Or the formal definition evaluated at x=a:

$f'(a)=\lim_{h \rightarrow 0} \frac{f(a+h)-f(a)}{h}$

Let's use that a=9.

$f'(9)=\lim_{h \rightarrow 0} \frac{f(9+h)-f(9)}{h}$

We need to find f(9+h) and f(9):

$f(9+h)=12(9+h)^2+8(9+h)$

$f(9+h)=12(9+h)(9+h)+72+8h$

$f(9+h)=12(81+18h+h^2)+72+8h$

(used foil or the formula (x+a)(x+a)=x^2+2ax+a^2)

$f(9+h)=972+216h+12h^2+72+8h$

Combine like terms:

$f(9+h)=1044+224h+12h^2$

$f(9)=12(9)^2+8(9)$

$f(9)=12(81)+72$

$f(9)=972+72$

$f(9)=1044$

Ok now back to our definition:

$f'(9)=\lim_{h \rightarrow 0} \frac{f(9+h)-f(9)}{h}$

$f'(9)=\lim_{h \rightarrow 0} \frac{1044+224h+12h^2-1044}{h}$

Simplify by doing 1044-1044:

$f'(9)=\lim_{h \rightarrow 0} \frac{224h+12h^2}{h}$

Each term has a factor of h so divide top and bottom by h:

$f'(9)=\lim_{h \rightarrow 0} \frac{224+12h}{1}$

$f'(9)=\lim_{h \rightarrow 0}(224+12h)$

$f'(9)=224+12(0)$

$f'(9)=224+0$

$f'(9)=224$

8 0

3 years ago

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Nonamiya [84]

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3 years ago

If f(x) = 4x - 12, what is f(2)?

ss7ja [257]

Answer:

-4

Step-by-step explanation:

4(2)-12

8-12

=-4

7 0

3 years ago