Precalculus Wednesda
H1101
7T
Sketch the graph f(x) = -cos (x +π\2),
- 2π< x <2π​

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

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blogan.20174

but there’s no any figure there!