Solve the problem.Suppose f(x) = 28.5 + 1.5log (x + 1) models salinity of ocean water to depths of 
at a certain latitude. x is the depth in meters and f(x) is in grams of salt per kilogram of seawater. Approximate the salinity (to the nearest hundredth) when the depth is 845 meters.
A. 81.93
B. 32.89
C. 84.93
D. -24.11
Answer: B
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Use an annual percentage rate table to solve the problem.A cattle rancher needs to construct a new silo in which to store cattle feed. The silo will cost $2000. The rancher pays 15% as a down payment and finances the balance for 60 months at an APR of 
Determine the rancher's total finance charge and monthly payment.
A. Total finance charge = $368.22; Monthly payment = $34.47 B. Total finance charge = $343.91; Monthly payment = $34.07 C. Total finance charge = $273.02; Monthly payment = $32.88 D. Total finance charge = $404.60 ; Monthly payment = $40.08
Solve the problem.Cesaratto's Appliance and Auto Center is having a sale. Find the missing information for the items that were purchased. Round to the nearest cent.Sale price on freezer:
Total price:
Amount of sales tax:$35.90Sales tax rate:7.5%
A. $422.35, $458.25 B. $478.67, $514.57 C. $47.87, $83.77 D. $552.31, $588.21
Solve.
= 
- 
A. 0, -8 B. 0, -8, 8 C. 0, 8 D. 0
Solve using matrices.x - 5y = -4x + 8y = -4
A. (0, 4) B. (4, 0) C. (0, -4) D. (-4, 0)