The feet per second rate- 214.5 ft per sec
the rate for 2 sec is 429 ft per sec
Answer:
y=4x+9 is in the form y=mx+b , so the slope ( m ) is 4 and the Y-intercept ( b ) is 9 .
Step-by-step explanation:
slope (m) is 4
y intercept (b) is 9
Answer:
A
Step-by-step explanation:
2x² - 12x - 14
2(x² - 6x - 7)
2(x² - 7x + x - 7)
2(x - 7)(x + 1)
3^2 is equal to 9 and that is the right answer