Answer:
B.f(4)=22
Step-by-step explanation:
To find f(4), plug in x = 4 into the function
f(4) = 3(4) +10 = 12 + 10 = 22
Answer:
x- intercept = 6 or (6, 0 )
Step-by-step explanation:
to find the x-intercept, that is where the graph crosses the x-axis, let y = 0 in the equation and solve for x
y = 0 : 2x - 0 = 12 ⇒ 2x = 12 ⇒ x = 6 ← x- intercept