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ivolga24 [154]
3 years ago
8

PLEASE ANSWER CORRECTLY AND QUICK I HAVE 10 MINUTES LEFT

Mathematics
1 answer:
AVprozaik [17]3 years ago
3 0

Answer:

i7,iiyu7iiiiiufiit7879998945748880900-

Step-by-step explanation:

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What is the average rate of change of the function f(x)=20(14)xf(x)=20(14)x from x = 1 to x = 2? Enter your answer, as a decimal
notsponge [240]
\bf slope = m = \cfrac{rise}{run} \implies 
\cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby 
\begin{array}{llll}
average~rate\\
of~change
\end{array}\\\\
-------------------------------\\\\
f(x)= 20(14)^x  \qquad 
\begin{cases}
x_1=1\\
x_2=2
\end{cases}\implies \cfrac{f(2)-f(1)}{2-1}
\\\\\\
\cfrac{[20(14)^2]~~-~~[20(14)^1]}{1}\implies \cfrac{20\cdot 196~~-~~20\cdot 14}{1}
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\cfrac{3920~~-~~280}{1}\implies \cfrac{3640}{1}\implies 3640
4 0
3 years ago
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Line v passes through point [6.6] and is perpendicular to the graph of y= 3/4x - 11 line w is parallel to line v and passes thro
lbvjy [14]

Given:

The equation of a line is

y=\dfrac{3}{4}x-11

Line v passes through point (6,6) and it is perpendicular to the given line.

Line w passes through point (-6,10) and it is parallel to the line v.

To find:

The equation in slope intercept form of line w.

Solution:

Slope intercept form of a line is

y=mx+b         ...(i)

where, m is slope and b is y-intercept.

We have,

y=\dfrac{3}{4}x-11      ...(ii)

On comparing (i) and (ii), we get

m=\dfrac{3}{4}

So, slope of given line is \dfrac{3}{4}.

Product of slopes of two perpendicular lines is -1.

m_1\times m_2=-1

\dfrac{3}{4}\times m_2=-1

m_2=-\dfrac{4}{3}

Line w is perpendicular to the given line. So, the slope of line w is -\dfrac{4}{3}.

Slopes of parallel line are equal.

Line v is parallel to line w. So, slope of line v is also -\dfrac{4}{3}.

Slope of line v is -\dfrac{4}{3} and it passes thorugh (-6,10). So, the equation of line v is

y-y_1=m(x-x_1)

where, m is slope.

y-10=-\dfrac{4}{3}(x-(-6))

y-10=-\dfrac{4}{3}(x+6)

y-10=-\dfrac{4}{3}x-\dfrac{4}{3}(6)

y-10=-\dfrac{4}{3}x-8

Adding 10 on both sides, we get

y=-\dfrac{4}{3}x-8+10

y=-\dfrac{4}{3}x+2

Therefore the equation of line v is y=-\dfrac{4}{3}x+2.

3 0
3 years ago
Given f (x) = 8x + 4<br> find f (6)
Goryan [66]

Answer:

52

Step-by-step explanation:

f(6)= (8 × 6) + 4

= 48 + 4

= 52

4 0
3 years ago
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The slope of the line whose equation is 3x - 2y = 4 is 2/3 3/2 -2
Mademuasel [1]

The lines whose equations are given intersect at. (4, 0)

The points (2, 1), (3, 3), (4, 5), and (5, 6) are collinear.  

a. True


5 0
3 years ago
What is the value of 2x+1 is 20 greater than 8x+5?
Yuliya22 [10]

Answer:

x = -4

I hope this helps!

5 0
3 years ago
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