8.1
√121
-11 or 11
(√2) (√10) Multipliy
√10
X^4/3 write as a radical
3√x^4
√5x+1 -6=0
( solve for (x) ), Then Check for wrong solutions
X=7
6-6=0
F (g(1) )
Use functions F(x)=3x+2, g(x)=x^2+4, and h(x)=4x
17
√7x^3 (.) √14x ( Simplify)
7x 2√2
5 - √3 ( Congregate)
5+√3
√5y, write in exponential from.
(5y)^1/2
√5n - 4 -9 =0, Simplify then check for wrong solutions
N=17
H(g(2) )
Use functions F(x)=3x+2, g(x)=x^2+4, and h(x)=4x
256
√27 + √75 - √12 (Simplify)
6√3
2 3√x - 2 3√5. (Subtract)
Not possible
125^1/3 ( Simplify)
3√125=5
√9k -2 + 1 =0
Simply and then check for wrong solutions
√9k-2 = -1
No solution
F(g(x))
Use functions F(x)=3x+2, g(x)=x^2+4, and h(x)=4x
3x^2 +14
√5x^4 y^3 (.) √45 ^3 y (Simplify)
15x^3 y^2 √x
7√xy + 3√xy ( add)
10√xy
12^1/2 (.)27^1/2 ( Simplify)
324^1/2
2√324=18
√p -1 +1 =1
Simply the check for wrong solutions
√p -1 = p-1
Solutions, p=1 and p =2
G(h(x))
Use functions F(x)=3x+2, g(x)=x^2+4, and h(x)=4x
16x^4+4
√75x^3/√3x ( Rationalize the denominator)
5x^1
3√20 - √45 + 4√80 ( Simplify, then add or subtract
19√5
X^5/6, ( write as a radical)
6√x^5
3√5x +1 +8=4
Simplify then check for wrong answers
5x +1 = -64 ( Simplified
Solution, x= -31
H(f(x))
Use functions F(x)=3x+2, g(x)=x^2+4, and h(x)=4x
36x^2 + 48x + 16