# Function/algebra

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1.SOLVE A=1/2H(b1+b2) for b2

2. write 3-square root-36 in standard form Linear Functions

3.Find the slope of the line passing through the points (-2, 4) and (-3, 5).

a.1 b.-1 c.-9/5 d.-5/9

Zeros of Polynomial Functions

4.Find the zeros of P(x) = (x2 - 25)(x + 1)3 and state the multiplicity of each zero. ANSWER A.25(multiplicity1),-1(multiplicity 3)

B.5 (multiplicity 1), -5 (multiplicity 1), 1 (multiplicity 3)

C.5 (multiplicity 1), -5 (multiplicity 1), -1 (multiplicity 3)

D.-25 (multiplicity 1), 1 (multiplicity 3)

Rational Functions and Their Graphs 5.Find the horizontal asymptotes of F(x)=3x/xsquared-4 a.None b.y = 2, y = -2 c.y = 3 d.y = 0

6.Exponential Functions and Their Graphs

Evaluate 4square root 6^ to six significant digits.

a.9.79796 b.36.0000 c.4096.00 d.29.8359

7.Logarithmic Functions and Their Graphs

Write logx y = z in exponential form. ANSWER:

a.y^z = x b.x^z = y c.y^x = z d. z^x = y

8.Write 560^0 = 1 in logarithmic form.

a. log1 0 = 56 b.log0 1 = 56 c.log56 1 = 0 d.log56 0 = 1

9.Exponential and Logarithmic Equations

Solve 8^6^x=1/64 ANSWER: a.-1/3 b.-1 c.2 d. -1/2

10.LET f(x)=x^2+2x-5 and g(x)=x^2+x. FIND (f+g)(x)

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