30-2x>18: inequality
answer: 6 days
Answer:
Given
f(x) = 2x+7
g(x) = x^2-4
h(x) = 5x
a. 4h(x)
= 4 * 5x
= 20x
b. f(x) - g(x)
f(x) - g(x) = 2x + 7 - (x^2 - 4)
= 2x+7-x^2+4
=-x^2+2x+7+4
=-x^2+2x+11
c. f(g(x)) = 2(g(x))+7
=2(x^2-4) +7
=2x^2-8+7
=2x^2-1
d. g(x)h(x) = (x^2-4)(5x)
= 5x^3 - 20x
e. g(x) / f(x) = x2 - 4/ 2x + 7
They are 6, 8, 10, 12 years old.
all of those added is 36 and two-year intervals translates to 2 years apart per cousin.
Answer:
b). 11.85
Step-by-step explanation:
The rule is add 0.9
1.95 + 0.9 = 2.85
2.85 + 0.9 = 3.75
3.75 + 0.9 = 4.65...
if you were to add 7 more times you will get to 11.85.
*Here's a trick to make it shorter*
11 × 0.9 = 9.9
9.9 + 1.95 = 11.85
hopefully this helped :3
