Answer:
d. c = 1 and d = -4
Step-by-step explanation:
If a function is even, then f(-x) = f(x). Graphically, this means it's symmetrical about the y-axis.
f(-a) = f(a)
3c + 1 = 6 − 2c
5c = 5
c = 1
f(-b) = f(b)
2d − 5 = 4d + 3
-2d = 8
d = -4
Therefore, c = 1 and d = -4.
Answer:
i could be wrong but i think its x=3 :(
Step-by-step explanation:
Answer:
1:
from law of indices:
therefore:
2:
3:
4:
from law of indices:
therefore:
follow the procedure for application to other questions.
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Answer:
s=P-b/2
Step-by-step explanation:
P-b=2s
P-b/2=s
The missing values in the scales given are :
- 20; 40; 80
- 15; 30; 45, 75
- 25; 50; 75; 125
- 50; 150; 200; 250
Each successive unit on a graph represent a specific value :
The time in seconds represented by each unit:
- Between 0 to 60 seconds ;
- Number of units = 3
- Number of seconds per unit = 60 / 3 = 20 seconds
- Each unit represents 20 seconds
- The missing units are : 20; 40; 80
For the graph in (b)
The time in seconds represented by each unit:
- Between 0 to 60 seconds ;
- Number of units = 4
- Number of seconds per unit = 60/4= 15 seconds
- Each unit represents 15 seconds
- The missing units are : 15; 30; 45, 75
For the graph in (c)
The time in seconds represented by each unit:
- Between 0 to 100 seconds ;
- Number of units = 4
- Number of seconds per unit = 100/4= 25 seconds
- Each unit represents 25 seconds
- The missing units are : 25; 50; 75; 125
For the graph in (b)
- The time in seconds represented by each unit:
- Between 0 to 100 seconds ;
- Number of units = 2
- Number of seconds per unit = 100/2 = 50 seconds
- Each unit represents 50 seconds
- The missing units are : 50; 150; 200; 250
Hence, the procedure for calculating units values of a graph.
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