Question

Use your calculator to calculate f(-3.58) if f is the function given by the formula f(x)=-8.7x+0.8 Express your answer as a real number accurate to two decimal places.

Im not sure how to set this up?

Please explain. Thank you!

Answer 1

just put f(x)=-8.7x+0.8

x=-3.58

Answer 2

=-8.7*-3.58+0.8=?

Answer 3

so like this f(x)=-8.7(-3.58)+0.8

Answer 4

yes calculate that with calculater

Answer 5

31.946

Answer 6

corect

Answer 7

@mathmath333 thank you, so would 31.95 be considered a real number accurate to two decimal places.

Answer 8

yes

Answer 9

ok thank you very much for you time and help!