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Setler [38]
4 years ago
12

Evaluate f(x) = x2 + 1 for f(-1)

Mathematics
2 answers:
Inessa05 [86]4 years ago
7 0

Answer: -1

Step-by-step explanation:

to calculate f(-1), you know that x = -1. so all you have to do is substitute:

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

f(-1) = -2 + 1

f(-1) = -1

Harman [31]4 years ago
4 0

Answer:

0

Step-by-step explanation:

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That both (along with the mean) help the data be described the data's spread, which can be the slope if only two points.
5 0
3 years ago
The amount of money in Nadia’s savings account is represented by the recursive formula an=1.025(an-1)+50 if a6=291.51 what are t
Elis [28]
Recursive formula is one way of solving an arithmetic sequence. It contains the initial term of a sequence and the implementing rule that serve as a pattern in finding the next terms. In the problem given, the 6th term is provided, therefore we can solve for the initial term in reverse. To make use of it, instead of multiplying 1.025, we should divide it after deducting 50 (which supposedly is added).
<span>
Therefore, we perform the given formula: A (n) = <span>1.025(an-1) + 50
</span></span>a(5) =1.025 (235.62) + 50 = 291.51

a(4) = 1.025 (181.09) + 50 = 235.62

a(3) = 1.025 (127.89) + 50 = 181.09

a(2) = 1.025 (75.99) + 50 = 127.89

a(1) = 1.025 (25.36) + 50 = 75.99

a(n) = 25.36

The terms before a(6) are indicated above, since a(6) is already given.

So, the correct answer is <span>A. $25.36, $75.99.</span>
3 0
3 years ago
ITS AN EDUCATIONAL EMERGENCY!!! This is due tonight how do I solve this?? PLEASE HELPP
kvasek [131]

Answer:

Mabel used 12 dimes and 7 quarters to pay for her granola bar.

Step-by-step explanation:

A dime= 10 A quarter= 25

12×10=120

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4 0
3 years ago
3 people can build a shed in 8 hours how long would it take 5 people
harkovskaia [24]

Answer:

3howers

Step-by-step explanation:

Step-by-step exaplanation

8 0
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Make ”a” the subject of the formula 9a-8=2(a-b)
beks73 [17]

Answer:

Step-by-step explanation:

9a - 8 = 2a - 2b

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7a = 8 - 2b

a = (8 - 2b)/7

3 0
3 years ago
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