Answer:
(0, 4)
Step-by-step explanation:
Look carefully at the y-axis. What is the y-coordinate where the curve crosses the y-axis? It's y = 4. Thus, the y-intercept is (0, 4).
It just so happens that (0, 4) is also the maximum of the function represented here.
Answer:
3x² - 7
Step-by-step explanation:
3 times (number squared) and sum with (-7)
3 times x² and add (-7)
3x² + (-7)
3x² - 7