What is f(5) for the function f(x)=2x+8?
2 answers:
F(x)= 2x+8
f(5)= 2(5)+8
f(5)= 10+8
f(5)= 18
Just subtitute 5 as x in the equation given for f.
2(5)+8=18.
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Formula for perimeter a+b+a+b
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<h3>#7</h3>
(a)
<u>Sample space:</u>
- 1*1, 1*2, 1*3, 1*4,
- 2*1, 2*2, 2*3, 2*4,
- 3*1, 3*2, 3*3, 3*4,
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<h3>#8</h3>
(a) <u>Sample space:</u>
- 1T, 1H, 2T, 2H, 3T, 3H, 4T, 4H
Total 8 outcomes
(b)
(i) 1T, 3T
(ii) 1H, 4H
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(iii) 1H, 2H, 3H, 4H
