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Andreas93 [3]
3 years ago
11

A function is given.

Mathematics
1 answer:
Lerok [7]3 years ago
7 0

Answer:

f(- 2) = - 1

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x), that is

f(- 2) = 2(- 2) + 3 = - 4 + 3 = - 1

For 2^{x} + 3, then

f(- 2) = 2^{-2} + 3 = \frac{1}{4} + 3 = 3.25

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two buses leave towns 604 mi apart at the same time and travel toward eachother. One bus travels 9 mi/h faster than the other on
muminat

Answer:

s = 71 mph, and s+9 = f = 80 mph

Step-by-step explanation:

The distances the two busses travel add up to 604 mi.

Letting f be the faster speed and s the slower.  Then f = s + 9 (mph).

Then (s + 9)(mph)(4 hr) + (s)(mph)(4 hr) = 604 mi.  Solve this for s:

4s + 36 + 4s = 604 mi, or 8s = 568.  Finally, s = 71 mph, and s+9 = f = 80 mph.


3 0
3 years ago
(25 POINTS AND BRAINLIEST FOR BEST)
grandymaker [24]

I'll make it up to you

A. Define the variables and write an equation to represent the relationship between the price of a home and the commission received.

Commission are a form of variable-pay remuneration for services rendered or products sold.

Equation would be like this (with s for sale of a house and c for commission),

5% of s = C

B. How much commission will the realtor earn for selling a $150,000 home?

Use equation.

5% of 150,000 = C

5% of 150,000 = $7,500

C. If the realtor earned an $8750 commission, what was the price of the home? $175,000

I forgot how to explain it to you but this is the answer.

6 0
4 years ago
Read 2 more answers
In an arithmetic sequence, what is the 56th term given that the first term is 19 and the
slava [35]

Answer:

,

Step-by-step explanation:

4 0
3 years ago
HELP ME! I hate math + I’m probably going to get it wrong
marin [14]
Again, simplify.
4x - 5.
x - 1.25. Hope it helps!
4 0
4 years ago
Read 2 more answers
Am I right? I don't know
8090 [49]
I think you are close to be right
5 0
3 years ago
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