Answer:
a
Step-by-step explanation:
To sum the 2 expressions collect like terms
4x² - 5x + 3 + 2x² + 7x - 8
= (4x² + 2x² ) + (- 5x + 7x ) + (3 - 8 )
= 6x² + 2x + (- 5)
=6x² + 2x - 5 → a
Answer:
Average rate of change = -6
Step-by-step explanation:
The average rate of change over the interval (a,b) is given by;
[ f(b) - f(a)] / (b-a)........................where interval is (a,b)
(a,b) interval =(-3,1)
Where;
f(x)= -12 (x+2)² +5
Answer:
2 minutes. Both students will have 14 flash cards.
Answer:
Neither.
Step-by-step explanation:
The slope for the first one is 1/4 and the slope for the second one is 4. These are reciprocals, but not opposite reciprocals, meaning they are not perpendicular. An opposite reciprocal means the fraction is flipped (ex. 3/1 to 1/3) and the sign is changed. The line parallel to y=1/4x would be y= -4x.
