Choose the function that might be used as a model for the data in the scatter plot.
A. Logarithmic, f(x) = a + b ln x
B. Polynomial, not quadratic
C. Exponential, f(x) = abx or f(x) = P0ekx, k > 0
D. Quadratic, f(x) = ax2 + bx + c
Answer: D
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Add as indicated.0 + (-11.3 )
A. 4.7 B. -11.3 C. 11.3 D. 0
Solve the problem.Mario saved 0.6 of what he earned over the summer. Write this decimal as a percent.
A. 600% B. 0.06% C. 60% D. 0.6%
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 5(x2 + 6)(x2 + 3)2
A. No real zeros
B. 
, multiplicity 1, crosses x-axis; -
, multiplicity 1, crosses x-axis;
, multiplicity 2, touches x-axis; -
, multiplicity 2, touches x-axis
C. -6, multiplicity 1, touches x-axis; -3, multiplicity 2, crosses x-axis
D. -6, multiplicity 1, crosses x-axis; -3, multiplicity 2, touches x-axis
Use addition of y-coordinates to sketch the graph of the function between 
and 
.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
