Ch 5
Ch 6
Ch 7
Ch 8
100

Given  f(x)=sqrt(6x+1) and  g(x)=-2x^3+8x^2+100 

find  f(g(8)) 

-194

100

Completely condense the following logarithm. 

 log_8(19)-4log_8(0.5) 

304

100

Convert to radians  288° 

(8pi)/5

100

Simplify.  i^15002 

-1

200

Evaluate the logarithm. Round to the nearest hundredth if necessary.  log_8.11(12) 

1.19

200

Solve for x.

Round answer to nearest hundredth. 

 3log_2(x-1)+5=7 

Bonus 200 points if you write it as an exact answer. 

 2.59 

BONUS:  root(3)(4)+1 

200

What are the Exact coordinates of 510°?

(-sqrt(3)/2,1/2)

200

Divide.  (4x^4-61x^2+227)-:(2x-5) 

 2x^3+5x^2-18x-45+2/(2x-5) 

300

 Find the inverse for  h(x)=((x+1)/5)^3-8 

h^-1(x)=5root(3)(x+8)-1

300

Solve for x. Round answer to nearest hundredth.     

 7(8)^(-x+1)=43 

0.13

300

Write the exact value for  tan((4pi)/3) 

 sqrt3 

300

 Rewrite in the simplest form.  3/(2+i) 

 6/5-(3i)/5 

400

In 2012 Kristen invested $18,450 in a risky stock. In 2016 the stock was worth $23,120. Assuming the amount of money in the account follows an exponential model, write the equation in the form  y=a(b)^x , that represents the amount in the account x years after 2012. Round multiplier to the nearest hundredth.

y=18,450(1.06)^x

400

Solve for x. Round answer to nearest hundredth.

 2ln(4x-5)-9=10 

 

3341.18

400

Solve for the missing side lengths. Write answers as exact values.


Need BOTH right for points.

 y=4sqrt5 and  x=4sqrt15 

400

Solve for all roots.  k(x)=x^3-216 

 x=3 ,  -3+3isqrt3 , and  -3-3isqrt3 

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