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LuckyWell [14K]
4 years ago
13

Select the correct answer for when you evaluate the following function at f(5):

Mathematics
2 answers:
quester [9]4 years ago
5 0
A because (-5)^2 = 25 + 2(5) =35-1=34
klio [65]4 years ago
3 0
A. 34
f(5)=5^2+2x-1
you replace all x with 5
5^2=25
2(5)= 10
f(5)=25+10-1
f(5)=34
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2 over 45 just so that you know
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3 years ago
Which situation could the expression −255 represent? A Each of 5 golfers has the same score after 9 holes. The total of their sc
Alex

Answer and explanation:

Not sure if the question is complete or valid but I will explain each option:

Let's assume the question asks which of the options would provide a negative result of -25( as no option evaluates to -255)

A. There would be a negative result here since all golfers have a negative score of -5 after 9 holes, and therefore a total score of -25 for all five golfers

B. Temperature increases by 25 degrees after 5 hours hence 5 degrees increase for every 1 hour. This would obviously give a positive result.

C. A football team gains 25 yards in the first play and loses 5 yards in the second but has a result of 5 yards gained in total. Hence there was a penalty of losing 20 yards for a loss of 5 yards= 25 yards- 20 yards= 5yards

D. Alyson withdraws $25 every week for 5 weeks, therefore she withdraws $125 in 5 weeks. This would be a negative result of -$125.

3 0
3 years ago
Sets A and B have 3 and 6 elements respectively. what can be the minimum number of elements in AUB
AVprozaik [17]

Answer:

6

Step-by-step explanation:

n(AUB) = n(A) + n(B) - n(AnB)

n(AUB) can have the minimum number of elements if n(AnB) has the maximum number of elements.

n(AnB) maximum = 3

so n(AUB) = 3+6-3 = 6

8 0
3 years ago
Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions:
valentinak56 [21]
Here's a graph.

Part A: The graph is a shaded region with one corner and two edges that goes forever. It's only located on the right side of the y axis.

Part B: It's not a solution because it's not in the graph.

3 0
4 years ago
1. By selling an article at N600.00, a<br>trader makes a profit of 20%. Find the<br>cost price.​
pshichka [43]

Answer:

500

Step-by-step explanation:

SP = 600.00

profit= 20%

SP = CP + 20% of CP

or, 600.00 = CP + 20/100 × CP

or, 60000= 120CP

or, CP = 60000/ 120

CP = 500

3 0
3 years ago
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