Evaluate the expression for the given replacement values.x + 2z
for x = 4 and z = -3
A. 10
B. 7
C. -2
D. 1
Answer: C
Mathematics
You might also like to view...
Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics
Use the root test to determine if the series converges or diverges.
A. Converges B. Diverges
Mathematics
Solve the problem.For a car traveling at x mph, stopping distance is estimated by the formula D = 
x2 + 
x. Find a (maximum) safe speed for a stopping distance of 580 feet. Round your answer to the nearest mph.
A. 58 mph B. 62 mph C. 67 mph D. 70 mph
Mathematics
Estimate the product by rounding to a single nonzero digit, then find the actual product.77 × 15
A. Estimate: 100; Actual: 1165 B. Estimate: 1155; Actual: 5929 C. Estimate: 1600; Actual: 1155 D. Estimate: 1160; Actual: 1155
Mathematics