State the phrase as a mathematical expression. Use x to represent the variable.A number increased by nine
A. 9
B. x - 9
C. 9x
D. x + 9
Answer: D
Mathematics
You might also like to view...
Determine the values of x for which the function is differentiable.y = 
A. All real numbers except -3 B. All real numbers except 3 C. All real numbers D. All real numbers except 7
Mathematics
Decide whether the slope is positive, negative, zero, or undefined.
A. Undefined B. Negative C. Positive D. Zero
Mathematics
Solve by the method of your choice.x2 + y2 = 40 -13x + y2 = 82
A. {(-6, 2), (-6, -2), (6, 2), (6, -2)} B. {(-6, 2)} C. {(-6, 2), (-6, -2), (-7, 2), (-7, -2)} D. {(-6, 2), (-6, -2)}
Mathematics
Graph the function.f(x) = -2log4x
A. 
B. 
C. 
D. 
Mathematics