Which word or phrase best completes the sentence?

i used to be with a quick temper, but i had to learn how to calm down.

a.
hotheaded

b.
peachy

c.
heart of stone

d.
crystal clear

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.

Answer asap evaluate 4-0.25g+0.5h4−0.25g+0.5h when g=10g=10 and h=5h=5.

How can i differentiate this equation?