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Sonja [21]
3 years ago
8

Lesson 2 Practice Problems

Mathematics
1 answer:
scZoUnD [109]3 years ago
5 0
The correct option for this question would be C.
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Is (x + 2) a factor of 3x3 + 4x2 - 4 ?
nordsb [41]

Answer:

No it is not a factor

Step-by-step explanation:

Reason for not being a factor is 3x^3-4x^2-4x. 3x3−4x2−4x 3 x 3 - 4 x 2 - 4 x. Factor x x out of 3x3−4x2−4x 3 x 3 - 4 x 2 - 4 x

5 0
3 years ago
The function, B (x), models the estimated tuition cost where x is the number
zepelin [54]

The expression that completes the function b(x)​ is b(x) = 33741 * (1.028)^x

<h3>How to determine the expression of b(x)?</h3>

The given parameters are:

Initial value, a = 33741  

Rate, r = 2.8%

The cost of tuition each year since 2015 is represented as

B(x) = a * (1 + r)^x

This gives

B(x) = 33741 * (1 + 2.8%)^x

Evaluate

b(x) = 33741 * (1.028)^x

Hence, the expression that completes the function b(x)​ is b(x) = 33741 * (1.028)^x

Read more about exponential functions at:

brainly.com/question/12636638

#SPJ1

<u>Complete question</u>

A study estimates that the cost of tuition at a university will increase by 2.8% each year. The cost of tuition at the University in 2015 was $33,741 the function b(x) , models the estimated tuition cost , where x is the number of years since 2015.

Find the expression that completes the function b(x)​

4 0
2 years ago
What is the domain and range for the function f(x) = x2 + 4x - 21?
bezimeni [28]

Answer:

Domain: (−∞,∞),{x|x∈R}

Range: [−25,∞),{y|y≥−25}



3 0
3 years ago
Please don’t ignore I really need some help on this
Andre45 [30]
45.50(original price) * .8 (discount) * 1.05 (tax) =$38.22(final answer)
6 0
3 years ago
Read 2 more answers
One day, a person went to a horse racing area. Instead of counting the number of humans and horses, he counted 74 heads and 196
Alexus [3.1K]
Answer: B: The person counts 24 horses and 50 humans.
3 0
3 years ago
Read 2 more answers
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