# Help with these 6 questions

**Question description**

**1. Find the zeros of the polynomial function.**

** f(x) = x ^{3} + x^{2} - 42x**

**2. Solve and check the linear equation.**

** 6[-6x + 6 + 4(x + 1)] = 6x + 2**

**3. Solve and check the linear equation.**

** 0.40x - 0.20(50 + x) = -0.04(50)**

**4. Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point.**

** f(x) = -x ^{2} - 2x - 6**

5. **Convert to an exponential equation**

** log _{9} ^{1}⁄_{81}= -2**

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