Question

F(x)=-3x+6; find f(4.2)

Answer 1

Explanation:

To find the value of f(x) at x = 4.2, you can simply substitute 4.2 for x in the function f(x):

f(4.2) = -3(4.2) + 6

Now, calculate the expression:

f(4.2) = -12.6 + 6

f(4.2) = -6.6

So, f(4.2) is equal to -6.6.