Translate the verbal phrase into a mathematical expression. Use x to represent the unknown number.The difference of a number and 2.7
A. x - 2.7
B. x + 2.7
C. 2.7x
D. 2.7
Answer: A
You might also like to view...
Add or subtract. Express the answer as a mixed number.12
+ 18
A. 29
B. 12
C. 30
D. 31
Solve.Computer sales in the United States have increased since 1992. The polynomial 
can be used to approximate the number of computer sales during the years 1990-2000 where x is the number of years after 1990 and the value of the polynomial is the computer sales (in millions). Use the function to predict the number of computers sold in 2001. Round the answer to the nearest tenth of a million.
A. 11.6 million computers B. 17.2 million computers C. 19.0 million computers D. 15.5 million computers
Match the equation to the graph.
A. y = 10x B. y = ln x C. y = log x D. y = ex
Graph the given equation. Find the vertex, axis of symmetry, and intercepts.f(x) = x2 + 4x - 5
A. vertex: (-2, 9)
axis of symmetry: x = -2
x-intercepts: - 5 and 1; y-intercept: 5
B. vertex: (2, -9)
axis of symmetry: x = 2
x-intercepts: -1 and 5; y-intercept: -5
C. vertex: (-2, -9)
axis of symmetry: x = -2
x-intercepts: - 5 and 1; y-intercept: -5
D. vertex: (2, 9)
axis of symmetry: x = 2
x-intercepts: -1 and 5; y-intercept: 5