Answer:
f(-3)
f(a) = -2a² - 5a + 4
Substitute a with its value, -3
f(-3) = -2(-3²) - 5(-3) + 4
f(-3) = -2(9) + 15 + 4
f(-3) = -18 + 19
f(-3) = 1
the value of f(-3) is 1.
Power to a Power: When you have a power to a power, you multiply the exponents (or powers). Quotient of Powers: When you divide exponentials with the same base, you subtract the exponents (or powers). ... Power of a Quotient: When you have a quotient to a power, you give each base its own exponent.
The equations would be 11a+6c=460 and a+c=60. The answer is 40 children tickets and 20 adult tickets. Hope this helps. :)
You have to multiply each hour or so, If after three hours it is 8.5 inches tall, you have to find the missing values....
The answer is 83394. i hope this helps