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zloy xaker [14]
2 years ago
14

PLEASE ANSWER FAST WILL MARK BRAINLIEST

Mathematics
1 answer:
bixtya [17]2 years ago
5 0

\sf y=50\left(1.8\right)^{x}

=================================

the first term : 50

crosses point : (0, 50), (1, 90)

solve for y,

\sf y=50\left(1.8\right)^{1}

\sf y=90

<h3>Thus D is correct option.</h3>

Graph:

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Bracket answer to each box to complete the paragraph proof triangle ABC Pro ma equals 66 2/3 on the unit test reasoning and proo
Airida [17]

Answer:

889

Step-by-step explanation:

8 0
3 years ago
How do you solve x+4=10^x
raketka [301]
Two ways to solve the problem:

A. By graphing f(x)=10^x and g(x)=x+4.
The intersection(s) will be the solution.
See graph below, approximate solutions: (-4,0),(0.66, 4.67)

B. Refine approximate solutions using Newton's method
Let h(x)=f(x)-g(x) = 10^x-x-4 ...............(1)
we calculate the derivative, h'(x) = log(10)*10^x-1   [ note:log(x) means ln(x) ]
and use Newton's iterative formula to find successive approximations to the root, basically refining the approximate solutions.
The iterative formula for nth approximation x_n is given by
x_n = x_{n-1} - h(x_n) / h'(x_n)....(2)

Using initial approximation (-4,0), we have x0=-4
x1
=x0-h(x0)/h'(x0)
=-4 - h(-4)/h'(-4)
=-4 - (10^(-4)-(-4)-4)/(log(10*10^(-4)-1)
=-4 - (1/10000)/(log(10)/10000-1)
=-3.9999000

Repeating the same for second approximation, x2, we get
x2=-3.99989997696619 which is accurate to 14 places after decimal

Now we can refine the other approximate solution, x0=0.66 to find
x1=0.669356
x2=0.6692468481102326
x3=0.669246832877748
x4=0.6692468328777476
So we will accept x=0.669246832877748

So the solutions are S={-3.99989997696619,0.6692468328777476}  both accurate to 14 places after the decimal

3 0
3 years ago
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Vera_Pavlovna [14]
Y=mx+b
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m is the number before x
so it would be i think 
y = 1x+2 

Hope This Helps!!!
8 0
3 years ago
Read 2 more answers
1. If x³ +3x²-4=0 has x=-2 as a root (zero), find the other two roots.
castortr0y [4]

Answer:

1 and -2 (has a multiplicity of 2)

Step-by-step explanation:

so since x=-2 is a root then (x+2) is a factor of the polynomial. This means you can divide the polynomial by (x+2) by using synthetic or long division. So for this example I'll using synthetic division which is much more simple than long division

-2 | 1   3    0   -4

         -2   -2    4

     1    1    -2   0

(x+2)(x²+x-2)

Now you can factor the quadratic into

(x+2)(x-1)

x+2 = 0

x = - 2

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6 0
2 years ago
Please help asap !!!!find f(-2) for f(x)=2*3^x
vovangra [49]

Answer:

2/9

Step-by-step explanation:

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When the exponent is negative, it flips from the numerator to the denominator

      = 2 * 1/(3^2)

      = 2 * 1/9

     = 2/9

6 0
3 years ago
Read 2 more answers
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