Answer:
Step-by-step explanation:
F(x) = 7 - 5x + 7x²
f(-9) = 7 - 5*(-9) + 7*(-9)²
= 7 + 45 + 7*81
= 7 + 45 + 567
= 619
Answer:
The percentage of the number of marching band members increased by 16% this year.
Step-by-step explanation:
x 100% = 16%
56 is 16% of 350
Answer:
12 R 147
Step-by-step explanation:
Answer:
<h2>The answer is 7.47</h2>
Step-by-step explanation:
In this problem we are going find the natural logarithmic of the numbers involved and solve for x

from tables
<h3> ln 65= 4.17</h3>

taking the exponents of both sides we have
