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2 years ago

Identify the domain of the exponential function shown in the following graph:

Mathematics

2 answers:

Svetradugi [14.3K]2 years ago

5 0

So, 30000 kept multiply up by the powers of the exponents

mash [69]2 years ago

3 0

I'm sure it is x ≥ 0.
Hope it helped..

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Write an exponential equation in the form y = abx whose graph passes through points (4, 8) and (6, 32).

Artist 52 [7]

Answer:

Option C.

Step-by-step explanation:

The general exponential equation is

$y=ab^x$

It is given that the graph of exponential function passes through points (4,8) and (6,32). It means the equation of exponential function must be satisfied by these points.

$8=ab^4$ ...(1)

$32=ab^6$ ...(2)

Divide equation (2) by equation (1).

$\dfrac{32}{8}=\dfrac{ab^6}{ab^4}$

$4=b^2$

Taking square root on both sides.

$2=b$

Put b=2 in (1).

$8=a(2)^4$

$8=16a$

$\dfrac{8}{16}=a$

$0.5=a$

Substitute a=0.5 and b=2 in the given general exponential equation.

$y=0.5(2)^x$

Therefore, the correct option is C.

8 0

3 years ago

A. a teacher wants a large poster of the Declaration of Independence that is three times its actual size. What are the dimension

bonufazy [111]

1.25 or 0.50
because you rounded to a decimal

5 0

3 years ago

Read 2 more answers

Help??? It’s pretty complicated, well for me.

masha68 [24]

Answer:

The first box is 10.2

The second box is 15.

The last box is 76.

8 0

2 years ago

Kate is building with blocks. She needs to build a rectangular prism that is 4 meters long by 3 meters wide by 112 meters high.

Xelga [282]

9514 1404 393

Answer:

1344 cubic meters

Step-by-step explanation:

The volume is the product of the dimensions for a rectangular prism:

V = LWH

V = (4 m)(3 m)(112 m) = 1344 m³

Kate needs a volume of 1344 cubic meters.

3 0

2 years ago

Given that 2x-7y=30

lidiya [134]

Answer:

y = - $\frac{24}{7}$

Step-by-step explanation:

Substitute x = - 3 into the expression

2x - 7y = 30

2(- 3) - 7y = 30

- 6 - 7y = 30 ( add 6 to both sides )

- 7y = 36 ( divide both sides by - 7 )

y = $\frac{36}{-7}$ = - $\frac{36}{7}$

4 0

2 years ago