Identify the expression as a polynomial or not a polynomial.0.5x9 - 8.9
A. Polynomial
B. Not a polynomial
Answer: A
Mathematics
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Sketch the logarithmic function.f(x) = - 
log3(x + 3) - 1 
A. 
B. 
C. 
D. 
Mathematics
Solve the exponential equation using the method of "relating the bases" by first rewriting the equation in the form 
81x = 3
A. {27}
B. 
C. {4}
D. 
Mathematics
Solve.A painter can finish painting a house in 7 hours. Her assistant takes 9 hours to finish the same job. How long would it take for them to complete the job if they were working together?
A. 
hr
B. 6 hr
C. 8 hr
D. 3
hr
Mathematics
Use the discriminant to determine the nature of the roots of the equation.
?
?
Do not solve the equation.
?
A. not real B. real
Mathematics