Answer:
Step-by-step explanation:
it has real roots if disc.≥0
p²-4×2×3≥0
p²≥24
|p|≥2√6
p≥2√6
or
p≤-2√6
Okay -
A 2, 1 means the element in the 2nd row, and 1st column. So, The 2nd row is the bottom one, and the first column is the first one. This is going to be element 2! =)
Answer:
25
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
Answer:
38
Step-by-step explanation:
f(-9) is the value of f(x) when x = -9. Therefore, f(-9) = 4 from the graph. Doing the same with g(6), we can see that g(6) = 6. Our expression becomes:
-1 * 4 + 7 * 6
= -4 + 42
= 38
