Question

Big Ben’s pendulum takes

4
4 seconds to swing back and forth. The formula
�
=
2
�
�
32
t=2π
32
L
​

​
gives the swing time,
�
t , in seconds, based on the length of the pendulum,
�
L , in

feet. What is the minimum length necessary to build a clock with a pendulum that takes longer than Big Ben’s pendulum to swing back and forth? Round to the nearest hundredth.



The length of the pendulum,
�
L , must be at least

Answer 1

Explanation:

The table shows values for the functions f(x) and g(x).

f(x)=2²-4

X

-1

0

1

2

3

4

5

Ox=-1

x = 0

x=1

x = 2

x=3

T

□ x = 4

□ x = 5

72

-3

What is the solution to f(x) = g(x)?

Select each correct answer.

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-2

0

4

12

28

g(x)=2x-3

i

-3

0

92

1

Niw

3

3

Nico

9

تاده